It was difficult for the United States to annex Texas because

Texas belonged to Mexico before America got our grubby lil hands on it, and Mexico didn't want to let go of Texas. In the end, however, America and Mexico came to an agreement. The only thing stopping America from getting Texas then was the balance of slave states and free states in America.

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so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.

i dont know but i need points