Answer:
D. Walter Cunningham
Explanation:
Walter Cunningham is one of the prominent astronauts in American history. Although he's already retired, he's currently the chairman of the<em> Texas Aerospace Commission.</em> So, this makes him a Texas scientific leader.
Together with Schirra and Don Eisele, Cunningham helped created the first-ever live television transmission from space. It was broadcast from Apollo 7 <em>(October 1968)</em>, which was an<u> eleven-day flight</u> towards moon.
So, this explains the answer.
The unwritten constitution includes the practice of judicial review. Judicial review is the idea that the actions of the legislative and executive branches of the United States government are subject to review by the Judicial branch!
Your answer is going to be A. Because an act had been signed to help encourage the building of this railroad.
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One of the main ways in which economic opportunity divided urban and rural dwellers is that those who could afford to live in the suburbs usually chose to do so, while low-income people who had to work lesser-paying jobs were usually confined to the cities.