Which achievement played an important role in pre-Columbian Mesoamerican civilizations? (1) use of gunpowder (2) production of corn (3) domestication of horses (4) development of sugar plantations

Which best describes the availability of substitutes in a monopoly?

How many free states existed in 1850?

What is the name of the gulf off eastern Mexico and southeastern North America?

Martin luther king jr appealed to his countrymen to abandon the

Who contributed most to the writing of the constitution?

Which best describes conservation, as it applies to environmentalism? A.) the preservation and protection of land and other natural resources for enjoyment by future generations B.

Which does not describe an impact of railroads on business and industry in the 1800s? A. Finished goods could be transported to markets quickly. B. Manufacturers could get raw materials more easily. C.

Which statement about George Washington, Baron von Steuben, and George Rogers Clark is true? A. They founded and led some of the colonies. B. They were presidents of the United States. C. They were military leaders during the Revolutionary War. D.

What was the most important government position other than the King?

Who was elected president in 1868