What is important about the progressive dates on the manifest destiny

The United States continued its expansion decade by decade, demonstrating a long-term commitment to the expansion of territory through whatever means available.

Explanation:

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.