Answer:
Russia, Canada, United States, China
Explanation:
1. Russia (17,098,242 sq. km)
2. Canada (9,984,670 sq. km)
3. United States (including territories) (9,833,517 sq. km)
4. China (9,596,961 sq. km)
D is the answer to the question
D.) assembly line process of production.
It was the birth of communism and it ended up making the industrial revolution possible ( i believe)
Darius the great conceptualize his empire by emphasizing the system of Taxation to gain more financial wealth for the kingdom.
He expect all the tax collector should be very honest and should not accept bribery
hope this helps