What is one advantage a secondary source has over a primary source

20 points how did oklahoma pay for new initiatives when it became a state? a. oklahoma asked the federal government for financial support. b. oklahoma sold parcels of land to prospectors to raise money. c. oklahoma imposed tariffs on goods imported from outside the state. d. oklahoma implemented a sales tax on goods and property.

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points. a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

True or false plebeians were the highest social class in ancient rome