How has the Senate prevented the President from appointing their selections for cabinet positions. Summarize the two examples in the book.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

permafrost layer, it exists beneath a layer of soil, rock or sediment.

answer; empathy;

answer; existed; limited;