Mercantilist theories caused European nations to abandon their overseas colonies.
Becaused
The invasion of Poland on the 1st September 1939
Photochemical smog is caused by the action on chemicals of sunlight.
They caused France to claim land
Changes in the monsoon winds
The british
Decisions, taken into action.
US wanted to trade with the other countries causing them to get involved in the war
wave action
Be more specific in your question
saratoga