What were the similarities and differences among early state governments?

The similarity and the difference among the early state government is that they have their own government, in addition to that, the state has their economy to be separated among the nations in which is one of its difficulties when it comes to trading.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

the answer is a) the proclamation of 1763.