How did isolationist policy shape u. s. foreign policy in the 1920s and 1930s? what were the consequences of u. s. isolationism?

After the high cost of World War I, citizens viewed Europe as conflict prone and felt they would likely draw the US into numerous, unnecessary wars if allowed to. The United States set limits on European immigration in the 1920s with Quota Acts that reduced the numbers of immigrants allowed to immigrate to the US based on totals and percentiles from the dates the US began receiving immigrants from those countries. In addition, high tariffs were set to keep foreign products out .