B. created a system of thirteen federal district courts
Michael Faraday is the answer
Below are the choices:
<span>The climate cooled and many tropical areas experienced freezing temperatures for the first time.
Rainfall gradually diminished and areas that were once grassy and forested became deserts.
Volcanic activity turned much of the area into lava fields where few life-forms could survive.
Rainfall gradually increased and desert areas eventually became rain forests
The answer should be </span><span>Rainfall gradually diminished and areas that were once grassy and forested became deserts.</span>
Answer:
Leader Samuel Gompers, admitted only skilled laborers, each field with their own union, focused on bread and butter issues like higher wages, shorter hours, and improved working conditions, and favored collective bargaining.
Explanation:
