Yes, at least, the colonists considered it so. It made it very difficult and expensive for all colonists to get goods.
There were many ways in which early Muslims viewed and treated Jews and Christians, but mostly it was with tolerance, except on the outskirts of the empire.
Answer:
Because people during the reconstruction were fighting due to slavery (the civil war) or the rights of african americans. The civil right movement was like a continuation or amendment of that reconstruction era to guarantee people of all races the same rights and abolish racial segregation; this actually never came to light when slavery was abolished and the reconstruction era ended.