Which was the most major cause of foreign interest in Persia?

APersia had weak export laws.
BPersia reversed its strong immigration policy.
CPersia maintained strong armies.
DPersia granted economic concessions.

Verified Answer :

"c. Persia maintained strong armies" would be the best option from the list, since for much of history Persia was a dominating military force in the Middle East. 

Answer:

If you get the other answer choices, the answer is Persia was located between Russia and the British Empire. APEX