He expected help from British ships sent from New York, however the ships never arrived so he had no choice.
The correct answer is: because he can react to emergencies more quickly than Congress.
The president can appropriate government money in times of a disaster, to react to emergencies quicker than the Congress.
This situation only happens in times of emergency, in which the President is allowed to override the Congress and deliver executive orders without the Congress permission.
These emergencies are declared when: there is an armed conflict, a natural disaster, civil unrest, etc.
The North is freedom during south is salve
"Tobacco" was the most important to the economic success of Jamestown, and in many ways it was the only economic success of Jamestown, which would have failed without it.