Until the 1900s immigration to the United States was fairly simple because of the need for...

Explanation:

The 19th century in U.S saw massive industrialization all over the country. It led to a massive need of workforce and labor to work on these industries. At the same time, new cities started to grow in the country with industrialization and urbanization.

To meet the demands of the new cities, industries started manufacturing more steel, iron, textiles, etc. which all consequently led to the need of more workers and labors in the country.

nasa 3

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.