Answer: I think its b but correct me if im rong
Explanation:
The best description
is "<span>A network of roads helped him to rule an empire".
Sapa Inca also known as Sapa Inka or Apu was the King of the Kingdom of Cusco,
later to Inca Empire. Incan Empire was the largest known empire in pre-Colombian America and their network of roads is one of the major reasons for that great
rule.</span>
The increase in the trade of silver during the period between 1550 and 1800 is due to the fact that silver was started to be used as a standard currency for trade purposes. Even though it was not considered as "legal tender", as it would later be used for this purpose with the introduction "Bimetallism" in the 19th century, it was widely adopted as a tool for trade among the civilizations that existed at the time.
A. Social Issues because the different races were disliked socially, and caused further fear politically as well. But it originated as a social problem.
