Is this a personal question or a school question?
The U.S. in 1846 was not justified in going to war with Mexico, they didn't have justification to respond with violence.
The introduction of the cotton gin by Eli Whitney had a great effect on the plantations, as well as slavery. Before the cotton gin was invented, the production of cotton was a… painstaking business. To remove the cotton fiber from the seeds took a great amount of time.
Answer:
I hope this is what you mean
Explanation:
Restricting output onto the market. Charging a higher price than in a more competitive market. Reducing consumer surplus and economic welfare.