Answer:
Some of the greatest barriers to assimilation were prejudice, discrimination, stereotyping, and federal law itself. Many ethnic groups ran into prejudice in America. In the workplace, Jewish men and women ran into problems with others – even those who shared their religious beliefs but not their nationality.
Explanation:
The tone or pitch of the voice ; the modulation of the voice.
IF I can sing well enough, I'll join the school chorus.
The IF implies that something is conditional i.e. it may happen, it may not happen (it depends on whether you can sing well enough!)
Hope this helps... :)
Good question.. but you don’t really explain the question