Many two-dimensional geometric shapes<span> can be defined by a set of points or vertices and lines connecting the points in a closed chain, as well as the resulting interior points. Such</span>shapes<span> are called polygons and include triangles, squares, and pentagons.</span>
1. the bombing of pearl harbor
2.italy, Germany, Germanys conquered lands, and japan
3. the us, great Britain, france, the soviet union, and to an extent china
6. Roosevelt
8. us
9. maintain world peace
The oldest mesoamerican civilization is the Olmec civilization
Can you list the choices so we can help you?
Answer: checks and balances
Explanation: