For what the royal tombs of ur used their weapons??? what they do with the weapons

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.

Ithink the answer to that would be b):

Answer the use of flood plains and irrigation;

Apaid their profits to high officials