I believe the answer is B.
It prevented the settlers from moving West of the Appalachian Mountains, hope this helps!!
Answer:
the sahara desert is the reason why North Africa developed differently from southern Africa
The Spanish American war became a turning point in the history of the United States because America became an imperial world power.
<h3>What is Imperialism?</h3>
This can be defined as the growth of a country's power and also its influence through diplomatic means or through force of the army.
<h3>The Spanish American War.</h3>
This war took place in the year 1895. The war can be traced to the conflict that was in the Cuban country.
The Cubans were fighting the Spanish due to the fact that they needed their independence from Spain.
Read more on the Spanish American war here:
brainly.com/question/10443525
