What is the appropriate action to take when approaching?

i got 3,4 and 5 as an answer

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.

answer; protecting domestic national security; i believe this is correct,plz check first,good luck;