What did the Japenese do just before the pearl harbor attack began

Before the Pearl Harbor attack, tensions between Japan and the United States had been mounting for the better part of a decade. The island nation of Japan, isolated from the rest of the world for much of its history, embarked on a period of aggressive expansion near the turn of the 20th century.

Explanation:

answer; i believe that the correct answer is (tobacco);

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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