George Washington was the first one
A unitary system of government is a monarchy. Which means that the country is ruled by one person or a group of people. An example of a unitary system is a country that is run by a royal family, that consists of kings and queens.
A federal system is a system is a system of government that is run but not ruled by a government that has many different political parties and many different people. The United States is an example of a federal system.
They came to North America after French explorers came there and started a fur trade, which would be a good source of money for the French.
Presidential Reconstruction
In 1865 President Andrew Johnson implemented a plan of Reconstruction that gave the white South a free hand in regulating the transition from slavery to freedom and offered no role to blacks in the politics of the South. The conduct of the governments he established turned many Northerners against the president's policies.
The end of the Civil War found the nation without a settled Reconstruction policy.
In May 1865, President Andrew Johnson offered a pardon to all white Southerners except Confederate leaders and wealthy planters (although most of these later received individual pardons), and authorized them to create new governments.