While the united states recovered from the japanese attack at pearl harbor, japan quickly extended it's control throughout the

Japan gained control of the Philippines, the Dutch East Indies (now Indonesia), much of New Guinea, the Solomon Islands, Guam, and other strategic areas all over the western Pacific. Japan even occupied part of the Aleutian islands, which belonged to Alaska.

Explanation:

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

silk

indigo  

rice

all the other answers are wrong