The answer for this question is option (B)- Understanding state regulations governing political parties.
A political party should understand every regulations in the state and its own efficiency in it. By understanding this process they political parties could possibly make use of the rule making, monitoring, and enforcement techniques to lead the state into a positive function.
I believe the answer is C to reduce divisions related to race, ethnicity, or economic situations
Bantu introduced several crops while migrating across Africa, yams, sorghum and millet.
The clause states tgat the US congress has the power to comerce with foreign nations,among several states, and among the Indian tribes