Answer:
a
development of an early form of chess
Explanation:
a
Answer:AirplaneOn December 17, 1903, Wilbur and Orville Wright achieved the first powered, sustained, and controlled flight.
While flying machines had been dreamt up since Leonardo da Vinci's time, and likely long before, and thanks to the work of countless inventors over several centuries, the Wright Brothers became the first people to achieve controlled, powered flight. Beginning with their work on gliders, the duo's success laid the foundation for modern aeronautical engineering by demonstrating what was possible.
Explanation:
Answer:
Texas,California, and, New Mexico
Explanation:
In the early days of the Ottoman Empire, the main goal of its leaders was expansion. ... It is believed that the Ottoman Empire was able to grow so rapidly because other countries were weak and unorganized, and also because the Ottomans had advanced military organization and tactics for the time.
In the 14th century, the devshirme system was created. This required conquered Christians to give up 20 percent of their male children to the state. The children were forced to convert to Islam and become slaves. Although they served as slaves, some of the converts became powerful and wealthy.