There are several reasons as to why the populations of the Native Americans dropped significantly after the arrival of the Europeans. The biggest reason for the decline in their populations were the diseases that the Europeans brought with them. The Native Americans didn't had an immune system that can cope with them, so they were rapidly dying out. Another reason were the wars, both between the Europeans and between each other, which took their toll and lot of people ended up dead. The living conditions also became much worse with the arrival of the Europeans as the tribes were pushed away from their lands and often were ending up in areas that didn't had enough food sources and water so again lot of them died.
The Goddess Athena protected Athens.
If you're talking about the idea of Italian unification from a historical perspective (Seeing as your question is found under the History tab), we can say that having a unified Italy would have made it a stronger country that would perhaps be a more important regional and world player in terms of politics and economy, if it were not for its city-states where each of them had their own agendas and interests.
I think it would be Labor Battles
Answer:
D. replace African culture with local culture
because slaves did not have any rights which belonged to them in the south hence why they had to escape their slave owners to get up north and even then they had to conform to white american society. Hope this helps!