That expansion of slavery was a major problem for the nation
The immigrants who came to the United States of America between the years 1820 and 1860 changed the character of the country because they brought with them their own culture and values. This started mixing with the already present culture and values and gave birth to a new character to the country. Among the immigrants were several Irish and German people.
Explanation:
because they paid them to do that
Around 9 million people die of hunger and hunger-related diseases every year. Hope this helps, if you have any questions please feel free to message me;)
Mid 1600s is when the system of slavery started