1. Marine biology
2. She was the first African-American woman appointed to the federal judiciary, serving as a United States District Judge of the United States District Court for the Southern District of New York.
3. Four, George Washington Carver was a botanist, chemist, scientist and inventor.
They became more interested in art
<h3>
Answer:</h3>
A. It practiced ruthless business techniques.
C. It dominated the oil market.
D. It controlled the transportation of oil.
<h3>
Explanation:</h3>
Standard Oil managed the oil goods market originally through smooth combination in the refining area, then, in later years upward combination; the organization was an innovator in the advancement of the industry business. The Standard Oil trust streamlined generation and logistics reduced values, and undermine opponents. "Trust-busting" experts prosecuted Standard Oil of practicing offensive pricing to crush opponents and form a merger that warned other industries.
