Hm. That is a generalization. 'Americans fear the grow of foreign power' is a fallacy. Americans have feared Communism and the threat of terror but not foreign influence or power. But theoretical, if we were to take your question seriously than Americans could fear the loss of their unipolar power staus in the international community as it is being transformed into a multipolar community.
I think it's because U.S is very weak and newly created. They don't have any military power to protect them in the face of war. Foreign powers and foreign military alliances were something to avoid right now.
They feard of how the would survive
President Woodrow Wilson feared that the war would turn Americans against each other, because most Americans were born in other countries, including countries in Europe. Many of these foreign-born Americans supported the country they originally were born at which caused many conflicts against many Americans whose countries were enemies.
Take jobs away from Americans
This is an ignorant question; the simple answer is that Muslims do not fear Americans.
The states would have too much power.
fear of foreign languages
the fear of foreign languages
Studies show that Americans' number-one fear is public speaking.
· xenophobic - abnormal fear of foreign things, especially strangers or foreign people
Completely Destroy Them then especially the African Americans feared that slavery would still continue
In addition to the internment of Japanese Americans, individuals of German and Italian descent also faced discrimination and suspicion during World War II. Many were subjected to restrictions, surveillance, and internment due to their heritage, driven by fears of espionage and loyalty to Axis powers. The broader anti-foreign sentiment fueled legislation and policies that marginalized these communities, reflecting the wartime climate of fear and xenophobia in the United States.