They became wealthier by finding gold and sending it back to Europe
He states that all men are created equal and have equal rights. One of these rights is the right to change a tyrannical government. He explains that the King of Britain has committed many atrocious acts against the people of the colonies and that he will provide the factual evidence later in the declaration.
The Union used a large naval blockade to stop most of the South's cotton trade. I hope this helps!