The answer i believe is B
It was a power grab and an unconstitutional overreach. Fortunately, the Congress held him in check and preserved the Founding Fathers' vision of balance of power.
Answer:
He created a trust that controlled ninety percent of the nations oil refineries. He purchased coal plants around the country to add to his business
What gave them an advantage is economic prosperity due to rich soil and development of plantations based on slave labor. Many profit was accumulated from crops (tobacco) and also cotton. Later on in the 1800s when Eli Whitney created the cotton gin it created a boom in the slave industry and increased largely by 71%. After that the tool allowed mass production in textile industries.
