Well, mostly because of the promise of wealth and power.
In the past, many of the strongest empires in Africa gained it powered due to the trade that they did with the Europeans
hope this helps
Answer:
The third choice
Explanation:
The colonists hated how they were being taxed with no representation, so that's the cause.
On February 2, 1848, the treaty was signed in Guadalupe Hidalgo. It called for Mexico to cede 55 percent of its territory, including what is now Arizona, California, New Mexico, and Texas, and parts of Colorado, Nevada and Utah, in exchange for fifteen million dollars in war compensation.
Nearly 25 million people came to the us between civil war and the beginning of world war 1
