One of the most significant challenges is building an airplane had to do with "propulsion", since the technology that allowed motors to have enough energy to lift an airplane into the sky with a passenger wasn't available for most of history.
A. Democratic-Republicans
Democratic-Republicans favored keeping the U.S. economy based on agriculture and said that the U.S. should serve as the agricultural provider for the rest of the world.
Answer: 1861
Explanation:
Texas formally seceded on March 2, 1861 to become the seventh state in the new Confederacy. Gov. Sam Houston was against secession, and struggled with loyalties to both his nation and his adopted state. His firm belief in the Union cost him his office when he refused to take an oath of allegiance to the new government.
Renewable energy sources are important in Eastern Europe because they allow sustainable development.
