Answer:
He believed Gemini spacecraft could fly in lunar operations before Project Apollo, and cost less. NASA's administration did not approve those plans.
Answer:
It was the issuing of the Emancipation Proclamation.
Constantinople (known today as Istambul). It sits on the Bosphorus Strait, a waterway that separates Asia from Europe.
Originally, Athens was ruled only by tyrants. Later, Solon changed autocracy laws: Athens' council would be elected by merit, not birthright. Eventually, Cleisthenes introduced the concept of a council of all the free male citizens: democracy was born!