Why did American invaders move into Mexican territory? What is Manifest Destiny and how did it justify this assault? Why was the Mexican-American War controversial between the North and the South?

American invaders moved into the Mexican Territory to fight and also claim some area of land which were at the borders of the two countries. Texas was annexed to the United States and they wanted more of Mexican lands.

The Anglo-Saxons saw themselves as Superior to others and believed that they were destined to spread across other countries and continents. They used this belief to justify the war they had with the Mexicans.

The Mexican-American War was controversial between the North and the South due to the addition of other states which would alter the balance between the North and South.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

porter is writing economic history because he is focusing on the cost of developing vaccines.