President of the United States when the Great Depression began. Herbert Hoover
Abe Lincoln
Calvin Coolidge
Stephen F. Austin

Which artificial waterway allows the passageway allows the passage of boats between buffalo and albany ( new york) and, eventually, the atlantic ocean? a. erie canal b. suez canal c. panama canal d. ontario canal

Which of the following wars was the most devastating to oklahoma? a. american revolution b. mexican-american war c. civil war d. world war i

After studying the timeline above, what observations can you make about u. s. environmental policy between 1970 and 1996?