What role did Manifest Destiny have on the relationship between Latin America and the United States?

They believed that it was their destiny to expand their territory and spread their beliefs across the world. The United States viewed Latin America as a savage place that needed saving. The Mexican-American war was a conflict that was sparked by the idea of Manifest Destiny.

a case involving the laws of a single state.

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.