<Li> 1776--1789 </Li> <Li> 1789--1849 </Li> <Li> 1849--1865 </Li> <Ul> <Li> 1865--1918 </Li> <Li> 1918--1945 </Li> <Li> 1945--1964 </Li> </Ul>

An important effect of world war 2 on united states foreign policy was