I don't know fully so I'll narrow it down to two answers.
B and D, I'm sorry for not giving the correct answer
Answer:
El multiculturalismo es el apoyo gubernamental a las instituciones culturales y religiosas y a las comunidades de la minotridad. Es importante, ya que incluye la diversidad socioeconómica, cultural y política y puede ir más allá de las concepciones actuales de la democracia.
Explanation:
Multiculturalism is government support for cultural and religious institutions and communities of minority. It is important, as it includes socio-economic, cultural and political diversity and can go beyond the current conceptions of democracy.
Indian Removal Act was passed which resulted in the forced displacement of the Native Americans to reservation lands
Explanation:
Due to the belief of Manifest destiny, Americans decided to settle in the west of the Appalachians which was the primary area of the native american tribes like Cherokee,Chickasaw, Choctaw, Muscogee Creek and Seminole peoples. the western tribal land became valuable because it was fertile and congenial for settling. The states which saw them included in such lands pressured the federal Government to enact the Indian removal act. "trail of Tears" is the route in which the native Americans undertook their journey by foot for displacement.
During this move, many dies out of exhaustion, starvation and cold. US gained millions of square miles of territory for settling. Much of the fertile land were used for cotton production and many slaves were employed in the plantations. Thus southern economy ran basically on agriculture and slavery.
The Mexican-American War, that happened between 1846 and 1848 was a result of the dispute over the territory of Texas, which back then was called the Republic of Texas, and the Mexican President still considered Texas as Mexico's province.