What was the first continental congress? what did they decide to do? why was this an important step?

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is:

Which of the following was probably the most difficult challenge facing construction of the railroad?