Can someone describe the relationship between Japan and the United States in the late 1930s and early 1940s.

Answer 1

http://en.wikipedia.org/wiki/Japan_%E2%80%93_United_States_relations

Answer 2

Thank You:)

Answer 3

You're welcome.

Answer 4

Could you give me a link on:
Why the United States was so concerned about Japanese expansion into Southeast Asia?