What is an example of an immigration push factor

Why do many scientists suppose the land bridge theory of migration?

99 points explain the causes and effects of the japanese bombing of pearl harbor in 1941. make sure to explain 3 causes and 3 effect in detail.

In terms of territory won in the french and indian war, which of the following is a true statement? a. england won the most territory as a result of the war. b. france won the most territory as a result of the war. c. spain won the most territory as a result of the war. d. england, france, and spain all won an equal amount of territory as a result of the war.