The fifteenth amendment to the constitution provided the right to vote to all male citizens in the us however this amendment was not always upheld after its implementation in 1870 how did jim crow laws in the south restrict the political rights of african american men? ?

Jim Crow laws sought to prevent the full integration of African American men into society. This included law-mandated segregation in all public facilities. It also included various forms of civil liberties suppression. Black men did not have the same rights to free speech, especially on the subject of racial equality, There were also several measures, such as voter tax and ID laws, that prevented African American men from being able to vote. 

What is described on this statement is "The Second Continental Congress".The Congress performed as the de facto national government of the United States by raising armies, directing strategy, appointing diplomats, and also making formal treaties such as the Olive Branch Petition.