Yes, the Mexican American residents of these territories did become U.S. citizens.
Freedom of speech, freedom of the press, freedom of religion
Immigrants couldn't get a stable financial situation because of the shortage of money in the United States.
Answer:
Europe saw the colonization of Africa as an opportunity to acquire a surplus population, thus settler colonies were created. With this invasion, many European countries saw Africa as being available to their disposal.
Unity between the countries for each to work together.