The internment of japanese americans took place because the united states was involved in world war i. feared the yellow power movement. wanted to end bias against them. was involved in world war ii.

was involved in World War II.

Explanation:

After Japan´s bombing of Pearl Harbor during WWII, U.S president, F.D. Roosevelt, ordered the forced relocation into concentration camps of around 120,000 people of Japanese ancestry, the majority of them being actually U.S. citizens.  

These actions, comparable, in degree, to those conducted by Hitler against people of Jewish descent, amongst others, is one of the darkest chapters in the history of the USA.  

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse

the caste system in india is the paradigmatic ethnographic example of caste. it has origins in ancient india, and was transformed by various ruling elites in medieval, early-modern, and modern india, especially the mughal empire and the british raj.it is today the basis of educational and job reservations in india.it consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.

the caste system as it exists today is thought to be the result of developments during the collapse of the mughal era and the british colonial regime in india. the collapse of the mughal era saw the rise of powerful men who associated themselves with kings, priests and ascetics, affirming the regal and martial form of the caste ideal, and it also reshaped many apparently casteless social groups into differentiated caste communities.the british raj furthered this development, making rigid caste organisation a central mechanism of administration

i didn’t fully understand your question but i hope this you !