Answer:
Congress can make a declaration of war
Explanation: they forbid states from doing any start
Mexican Cession. Mexican Cession lands were captured in the Mexican–American War in 1846–48, and ceded by Mexico in the Treaty of Guadalupe Hidalgo, where Mexico agreed to the present Mexico–United States border except for the later Gadsden Purchase.
Martin Luther King's speeches affected people by giving them hope, freedom, and a reason to love there brothers and sisters( everyone). Brainliest Please