AP Human Geography — governance, boundaries and sovereignty
Unit 4 of AP Human Geography, Political Patterns and Processes, is full of real places: the exam expects you to know why Africa's borders look the way they do, how far a country's waters extend, and why Catalonia, Quebec or Scotland push for autonomy. This material covers the parts of the unit not treated elsewhere in the category (nation and state, state shapes, boundary-making stages and gerrymandering tactics have their own material) and grounds each concept in actual cases.
You start with the forms of governance: unitary states such as France and Japan against federal states such as the United States, Germany, India, Nigeria and Brazil, and what each means for the organization of space. Boundaries come next: the colonial partition of Africa after the Berlin Conference, geometric lines such as the 49th parallel, physical boundaries such as the Pyrenees and the Rio Grande, and relict boundaries such as the route of the Berlin Wall. At sea, you learn the zones of the UN Convention on the Law of the Sea (a 12-nautical-mile territorial sea, a 24-mile contiguous zone and a 200-mile exclusive economic zone) and how overlapping zones are divided. Inside the United States, you connect the census, reapportionment of the 435 House seats and redistricting.
The second half is about pressures on sovereignty. You identify devolutionary factors, from physical division and ethnic separatism to terrorism, economic problems and irredentism, and compare autonomous regions in Spain, Belgium, Canada and Nigeria with the disintegration of the Soviet Union and of Sudan. Shatterbelts, choke points such as the Strait of Hormuz and neocolonialism show political power as control over people, land and resources. Supranational organizations such as the UN, NATO, ASEAN, the Arctic Council and the African Union, together with communication technology, round out the unit, along with the centrifugal forces that can produce failed states.
Four formats are offered. The quiz has twelve questions set in real places, each with an explanation. The flashcards cover the terms and examples. The written work gives eight free-response style questions to answer by hand, each with a reference answer and key points. In the oral exam an examiner asks one question at a time, asks you to apply concepts to real and described cases, keeps contested issues neutral, and ends with precise feedback.
This is practice material written by Zestly, based on the published AP Human Geography course framework; it is not produced or endorsed by the College Board.
- Compare unitary and federal states and explain how each organizes political space
- Explain how colonialism shaped boundaries and distinguish geometric, physical and relict boundaries with real examples
- Describe UNCLOS maritime zones and how overlapping claims are resolved
- Connect the US census, reapportionment and redistricting
- Identify devolutionary factors, including irredentism, and compare autonomy with state disintegration
- Explain shatterbelts, choke points, supranational organizations and centrifugal forces as challenges to sovereignty
Practice material written by Zestly, based on the College Board AP Human Geography Course and Exam Description (course framework effective fall 2020), Unit 4, topics 4.2 to 4.10.
Sample question
Two coastal states face each other across a sea that is 300 nautical miles wide. Under the UN Convention on the Law of the Sea, how far does each state's territorial sea extend, and how are their overlapping exclusive economic zones usually divided?
- Each territorial sea extends 12 nautical miles; the overlap becomes high seas that neither state may use
- Each territorial sea extends 12 nautical miles; the overlapping zones are usually divided along a median line, about 150 nautical miles from each coast
- Each territorial sea extends 200 nautical miles, so the two states share sovereignty over the whole sea
- Each territorial sea extends 24 nautical miles; the larger state receives the whole overlapping area
See the answer
Each territorial sea extends 12 nautical miles; the overlapping zones are usually divided along a median line, about 150 nautical miles from each coast
UNCLOS gives full sovereignty over a territorial sea of up to 12 nautical miles, limited enforcement rights in a contiguous zone to 24 nautical miles, and resource rights in an exclusive economic zone to 200 nautical miles. Two 200-mile zones overlap in a 300-mile-wide sea, and the overlap is normally divided by agreement, often along a median line equidistant from both coasts. The 200-mile figure is the EEZ, not the territorial sea, 24 miles is the contiguous zone, and size does not decide the division.
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