Answer:
America used to be a place of slavery where only white men ruled and women and blacks, asians, mexicans, etc. were considered lesser and were forced into submission. In our current society things are change to where all are considered equal and there are laws against people being segregated from working or being in places of power, it even encourages women and blacks into higher society places. but still our world isn't perfect and people still dont want women presidents and others still want to eradicate blacks from our society.
The continued possession of, use or control of something
When the vice-president is absent, the person who is the head of the senate is called
president pro tempore
Right now, it's Orrin Hatch, and generally the most senior senator (by length of service) is chosen for this position
