Which statement is supported by the map?

most eastern european nations are candidate countries.

all of the western european nations are part of the european union.

all european nations want to be part of the european union.

most european nations are part of the european union.

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.