Answer:
because northern political interests were against the addition of a new slave state
Explanation:
the United States declined to integrate it into the union, primarily because the northern political forces were resistant to the creation of a modern slave state. The Mexican Government even supported border attacks and threatened that any effort at invasion would lead to war.Initially, the United States declined to integrate it into the union, primarily because the northern political forces were resistant to the creation of a modern slave state. The Mexican Government even supported border attacks and threatened that any effort at invasion would lead to war.
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Answer:
Thomas Edison is credited with inventions of the first practical incandescent light bulb and the phonograph.
Explanation:
In 1877, Edison developed a method for recording sound that is the phonograph. His innovation relied upon tin-coated cylinders with two needles: one for recording sound, and another for playback.