Answer:
The problem with the county unit system was an public disagreement such as a disagreement which own the fact that gave the right to votes to countries that had smaller populations greater weight that other countries with populations.
If this is about Vietnam then the answer is C
The early river civilization between Pakistan and India is called Indus Valley Civilization. There were documents recorded in Sumeria about the religion, commercial and artist of the Indus Valley Civilization. This civilization was into farming because of the fertile lands.
2017 is when it started bruh