After attacking the us at pearl harbor, japan decided to

a - retreat to its homeland.
b - stop to regroup at its homeland.
c - continue to expand in the pacific.
d - join the axis powers.

C - continue to expand in the Pacific.

Explanation:

    On December 7, 1941, early in the morning the Japanese bombed the North American base of Pearl Harbor, Hawaii. It was a bloody and violent event, leading to the deaths of more than two thousand Americans and more than a thousand injured, and destroyed ships.

   After the December 1941 attack, the Japanese controlled for half the Pacific for months, and the following year they occupied the territories of Thailand, Hong Kong, Malaysia, Indonesia, Burma, and the Philippines.

 The attack on Pearl Harbor marked the entry of the United States and Japan, the formation of the Tripartite Pact, and territorial, political and economic disputes by nations of the world, and with it showed the violent power and ability to use intelligence for attacks and against -attacks.

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