Answer: In a group of city-states, each city-state is independent and rules by its own king. No central power controlled all of the city-states. In an empire, consisting of a nation and the city-states and nations it has conquered, one ruler is in control.
Explanation: One has a king in where the other has just a ruler
In a third attempt to weaken the Israelites and resolve Pharaoh's irrational fear, the Egyptian king commands all his people (not just the Hebrew midwives) to kill all Hebrew baby boys by throwing them into the Nile River.
The Catholic Church strongly opposed the spreading of the heliocentric theory because it meant that the holy book of Christianity, the Bible, was wrong, and that what they were propagating for centuries that the Earth was the center of the universe and that everything circles around our planet was a lie. This was going to make a big damage on the credibility of the church and the skepticism towards it would have grown more and more. The church, considering it had the power, was using all measures possible to stop this, so lots of scientists found themselves imprisoned, hanged, burned alive, killed brutally...
C. A person is innocent until proven guilty
it is the letter A or B
hope this helps yah friend =D