Which outcome was an important effect of the 1898 event illustrated by this map? a) increased us foreign aid to the developing countries in s. america. b) increased us support for the construction of a canal. c) decreased us economic influence in the w. hemisphere. d) decreased us naval presence in the caribbean sea.

B) Increased US support for the construction of a canal.

Explanation:

Based on this map, we can assume that the construction of a canal enjoyed reasonable support in the United States. As we can see in the map, travelling from New York to San Francisco was extremely difficult before the construction of the Panama Canal. This shortened the time it took to travel significantly. It most likely also led to increased trade. Therefore, it is likely people supported the construction of such a project.

it allows shippers to carry commercial goods, which allows them to save time and money.

the northwest ordinance of 1787 guaranteed basic rights for settlers and banned slavery there.