They were trying to find an all - water route to Asia.
This is a tricky question, because none of these answers are completely true, but the best option if you have to choose one would be "President Lincoln suspended habeas corpus to keep Maryland <span>in the union."</span>
The major purpose of the Proclamation of 1763 was to maintain good relations between the British and the Native Americans. We can also speculate that a secondary purpose was to exert British control over the colonists. Neither purposewas achieved to any great degree.
In the United State the economy was in the great depression in the 30's. There was a scare and many investors withdrew any investments. Now, we are in great debt to other countries.