Answer:
Demography. Historically, Bolivia has been predominantly rural, with most of its Quechua- and Aymara-speaking peasants living in highland communities.
Explanation:
Farmers opposed the gold standard because they claimed that it would cause prices for their crops to decline. The correct option among all the options that are given in the question is the last option or option "D". This sytem of gold standard was abandoned by the government during the depression that happened during the years of 1930s.
They sent in Contras, Right-wing American forces, to Nicaragua despite it being illegal at this point through the Boland Amendment. This also exposed to Iran-Contra scandal when America and Iran had trade weapons to support each other.