Consider this: Exactly which "people of those territories" wanted expansion of slavery. Definitely not any of the black people.
Actually, nearly all the lobbying for slavery came from people living in the South who were anxious to gain more power in the House and Senate for their cause.
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So they wouldn't keep getting outvoted in Congress
Because the Mughals wanted to expand their territories.
Wilmot Proviso Seeks to Limit Slavery Americans had long avoided the troubling issue of the expansion of slavery. But when the United States gained new territories as a result of the Mexican War in the late 1840s, the nation had to decide whether to admit these lands as slave territories or free territories. The delicate balance of power between North and South -- free and slave -- depended on this decision. During the early days of the Mexican War, Pennsylvania congressman David Wilmot had predicted the dilemma. He proposed a law stating, "neither slavery nor involuntary servitude shall ever exist in any" lands won from Mexico. South- erners angrily denounced the Wilmot Proviso. The northern-dominated House of Representatives approved the law, but the Senate voted it down. right out of my history book hope that help you
Japan, Germany, Italy, and the soviet union
why did Hitler and Mussolini want to expand their territories