Answer: i think its 2) Was responsible for the Panic of 1837.
Explanation:
The correct answer is - A war between the colonies and Britain.
After the Declaration of Independence and what it actually meant and encouraged the people in the colonies to do, the expected reaction from the British Empire was that it will try to use military force in order to keep the colonies under its control. And the expectations were true, as the British did launched a military campaign against the rebelling colonies, but the Americans were prepared for this and managed to withstand their ground and gained their desired independence, and that was a major blow for the British, especially from economic perspective.
<span>They used flooded rivers for crops for rich silt left behind</span>
Railroads brought crops and food to cities in the East, and settlers to farms in the Great Plains
