Self government and social contract are both WRONG!

What is the answer?

Why are low-lying lands more suitable for agriculture than hilly areas?

How might reuionfucation of east and west germany in 1990 have been imporant turning point for the soilvet union

Plz 20 ! in a citizens elect the president as head of government separately from the legislature? a: parliamentary democracy b: communist state c: presidential democracy d: autocratic state