What impact did international Darwinism have on foreign policy?

It led to imperialism, which led to the US and other large countries getting involved in foreign affairs.

Explanation:

This led away from the monroe doctrine and washingtons precident about staying out of foreign affairs.  With the belief of social darwinism people felt the need to get involved.

the use of email to replace slower surface mail.

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.