The correct answer is
<span>B. regulation of railroad and grain elevator rates.
One of their main problems was that the railroad companies were taking their land to build without asking them because they worked with corrupt politicians. They also wanted better prices for grain because not having it would ruin their business and they were the main source of food in the country.</span>
Answer:
C. European involvement helped expand the slave trade within Africa.
Explanation:
C. west africa is the correct answer
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Samuel Adams was an American politician born in Boston, Massachusetts, who always showed his patriotism fighting against the authoritarian policy of England, and seeking independence of the American colony, Adams wrote fourteen resolutions to present them to the British governor in which included the recognition of the equality of rights for the American colonists and exclusivity to choose the organisms of the colonies, among others, thanks to his constant fight and great sense of patriotism the independence of America was achieved.