Ow can the dust bowl be blamed in part on human interaction with the environment? a. buffalo herds caused heavy erosion of the soil. b. overplanting of wheat wore out the soil. c. many farmers allowed grasslands to take over their fields. d. farmers used too much water on their crops and caused flooding.

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

Which country was the last to join the allied powers? o great britain o france o united states o china

Which of the following are true of the united states legislature? select all that apply. the house of representatives has two representatives from each state. senators are elected for a six-year term. the leader of the house of representatives is called the speaker of the house. once a bill passes the house, it goes directly to the president to sign into law or to veto. a person must be 30 years old in order to run for the house of representatives.