to protect and enhance the rights of African Americans
The 13th Amendment ended slavery in the US. The 14th Amendment gave blacks citizenship and established due process. The 15th Amendment gave black men the right to vote.
These three amendments were passed toward the end and following the Civil War. They ended the practice of slavery releasing blacks throughout the South from enslavement. The 14th and 15th Amendments provided rights and Constitutional protect for blacks in addition to giving them the power to vote. However, Southern governments found ways around the amendments to prevent blacks from exercising their full rights.
They perform the most essential tasks
The correct answer to this open question is the following.
You forgot to include the question. Here we just have some sentences but no question at all.
However, trying to help, we can comment on the following.
A political system has different levels of government. In some democratic countries, it is called a Federation. This Federation is comprised of different states and provinces with the faculty of self-governing under a set of central laws or a constitution. As a political entity, the federation has branches that direct the order and legislation of states, provinces, municipalities, and local governments.
In the case of the United States, the federal government was created by the founding fathers as a division of powers under the system of checks and balances, in which each of the three branches of the federal government has no power over the other two.
Euclid studied how points lines angled planes relate to one another