Answer
The Rocket Technology
Explanation
Konstantin Tsiolkovsky was the Father of Modern Astronautics who in 1898 first proposed the idea of space exploration by rocket. In his first report he suggested the use of liquid propellants for rockets in order to attain a higher range. Early in the 20th century, Robert H. Goddard an American published a pamphlet attaining higher altitudes in rockets with a mathematical model called the meteorological sounding rocket.
Both geography and climate greatly shaped Greek life and history since Greece's location on the Mediterranean allowed them to be leaders in trade (due to multiple ports of entry), and their climate was very conducive to growing things like olives and other foods that were very healthy.
Answer:
a. The people of Puerto Rico did not have the same rights or tax status as other Americans
<em>Very few retired Americans had a guaranteed income.</em>
