What is papa's mothers name in roll of thunder hear my cry?

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

According to the chart, the power to tax is a concurrent power, meaning a) it belongs to the state government. b) it is a government power that is shared. c) it is less important than the power to borrow money. eliminate d) it is more important than the regulating state trade.

Why is it economically necessary for the east germans to build berlin wall