I believe the correct answer is c hope I helped
some of the countries that use the federal system are...
United states
Mexico
Germany
Canada
Australia
and Brazil
A probably because the people had the right to choose who they want ruling for us
"Ulysses S. Grant became a colonel in the Union volunteer army. His first victory was when he captured Fort Henry and Fort Donelson in February 1862. Also this man opened two rivers, and received national recognition for victories in February 1862, the first major Union victories of the war."
