Why did the united states largely shy away from imperialism prior to 1890

The main reason why the United States largely shied away from imperialism prior to 1890 is because the US was dealing with a plethora of its own domestic issues, such as westward expansion and the Civil War. 

Asuffragette was a member of militant women's organisations in the early 20th century who, under the banner "votes for women", fought for the right to vote in public elections, known as women's suffrage.