In the 1930s, the Japanese had expanded their reach into . The United States placed an embargo on Japan. Soon, Japan faced a shortage of
. The Japanese wanted to make sure the US Navy would not interfere with their plans to conquer Southeast Asia and other regions. For that reason, the Japanese decided to attack
.

Manchuria and South China

Natural resources

Pearl Harbor

Explanation:

The economic crises in the 1930s and the need for natural resources for the industries began Japan to look for territorial expansion. In 1931, Japanese soldiers seized Manchuria and converted it to a colony of Japan for several years.

Japan being an Island and mountainous region, did not have any natural resources. Japan relied on importing raw materials from its neighbouring countries. They felt that they need to conquer those territories, which could help them in building Japan into greatness. Japan fought and conquered territories in China and Korea to get resources.

The Imperial Japanese Navy during the beginning of WWII was growing powerful and exercise its strength in the Pacific Ocean. The United States make some interference to protect Southeast Asia from Japan. The Japanese decided to attack pearl harbour as a reply to show their power in the Pacific Ocean.

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Explanation:

it would be a. that is the only one i could think of

the south did not want the federal laws to overrule the state laws.