During the period between 1775 and 180, many African Americans gained freedom from slavery, yet during the same period, the institution of slavery expanded. The changes took place in different locations in the United States of America. The Northern states opposed slavery while the Southern states still enforced slavery. Many African American slaves managed to escape from the South to the North where they were freed from slavery. The freed African-American slaves spent their time working towards helping the slaves in the Southern states escape towards the North. The slaves in the South were forced to work on the tobacco and cotton plantations. They bided their time  until they were able to escape. 
        
             
        
        
        
Answer:
Here are 3 paragraphs qwq
Explanation:
Until 1836, Texas had been part of Mexico, but in that year a group of settlers from the United States who lived in Mexican Texas declared independence. They called their new country the Republic of Texas, which was an independent country for nine years.
Politics in the United States fractured over the issue of whether Texas should be admitted as a slave or free state. In the end, Texas was admitted to the United States a slave state.
The annexation of Texas contributed to the coming of the Mexican-American War (1846-1848). The conflict started, in part, over a disagreement about which river was Mexico’s true northern border: the Nueces or the Rio Grande.
 
        
             
        
        
        
<span>Its spread was limited by the Mediterranean Sea.
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Answer:
The veto allows the President to “check” the legislature by reviewing acts passed by Congress and blocking measures he finds unconstitutional, unjust, or unwise. Congress's power to override the President's veto forms a “balance” between the branches on the lawmaking power.
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Answer:
constantinople
Explanation:
¿Qué ciudades formaban parte del Imperio bizantino en 527?