1. what were three reasons americans
supported imperialism?

the americans had a military competition among other countries and economic competition with other nations and a lack of concern for other people who lived in countries being taken over

Explanation:   those are the three reasons why the americans supported imperialism

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.