How are the economic systems of north korea and china similar?
a) both systems have emerging market economies.
b) both systems lack technological innovations.
c) both systems have democratic-type governments.
d) both systems have a centrally planned economy.

the answer is: D.Both systems have a centrally planned economy.

In centrally planned economy, The government took control a large portion or all economic resources that exist in the country.

This economic system could be seen in both of those countries. In this system, the government has a large power to determine the type of goods can be produced by their citizens and people's ability to open a business tend to be a little bit restricted.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.