In the mid-1800s, the growth of the populations of California and the western territories was mainly a result of the

Discovery of gold and silver

Explanation:hope this helps and happy early hallowen :D

Factors that contributed to America's westward expansion in the later half of the 19th century included the quelling of Native American resistance and relocation of tribes to reservations, gold rushes (in Colorado, California, and the Black Hills of South Dakota) and the building of the Intercontinental Railroad. So silver and gold

The correct answer is: "The states that have approved the Constitution still need other states support".

Explanation:

The Constitution of Massachusetts, written in 1779, is considered the oldest functioning written constitution in the world. It was the last of the states written constitutions. This is what the cartoon is trying to depict. Former president John Adams was its author. It served as a model for the Constitution of the United States.