Dogs fight with each other to assert their dominance and it could be playing around for them.
The are between each of two territories that have a truce and in the center is no man's land
The the period of the second party system (mid 1824-1860)
In this excerpt, the word tension means discomfort. Dr. King is saying that a certain level of discomfort is necessary for growth as a country. The group(s) that have been oppressing the black community are to expect nothing short of discomfort. Facing difficult emotions is the only way that we, as a community, can make any sort of change.
1. If your talking about people answering your questions yes.
2. if there is a problem...no one can see it.