The dust bowl is a historical example of what?
a. water erosion
b. wind erosion
c. rock weathering
d. glacial erosion

The chart shows four articles read by the students in a science class

When analyzing the election of 1876, what conclusion can be drawn? a. a majority of northerners wanted to enforce reconstruction policies more stringently. b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president. c.the republican party had increased its support in the south. d.rutherford hayes did poorly in the western states. e.the republican party did a good job protecting the voting rights of african-americans in mississippi.

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory