Answer:
here were two main reasons for the expansion of slavery—the cotton gin's invention in 1796 and the United States' westward expansion. The cotton gin allowed one slave to do the work of many since it removed seeds from cotton quicker than by hand
Explanation:
brainliest pls
The fall of Constantinople
Answer:
The one that says the United States and by placing sputnik
Explanation:
The correct answer is letter a. Francisco Madero. He is the r<span>evolutionary leader ran against Díaz in the 1910 Mexican elections. He is an advocate for democracy and social justice. He is also notable as being an instrument in sparking Mexican Revolution. He is the guy who challenged President Porfirio Diaz.</span><span>
</span>
In MY opinion the most important transportation invention was the train.
