Answer:
Correct answer is The economy and military became weak.
Step-by-step explanation:
First option is correct because when Akhenaton introduced his religious reforms he totally put aside the importance of political reforms. That is why Egypt even lost Syria and on the other hand too much money was spent to create a cult of a new God and building of new capital.
Second option is not correct as priests were opposing it totally. They wanted to preserve the previous pantheon.
Third option is also not correct. After Akhenaton died this reforms were erased.
Fourth option is also not correct as priests were always among the strongest factors in the state.