Why were the Japanese imprisoned in American during WWII?

The attack on Pearl Harbor also launched a rash of fear about national security, especially on the West Coast. In February 1942, just two months later, President Roosevelt, as commander-in-chief, issued Executive Order 9066 that resulted in the internment of Japanese Americans

Explanation:

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."