They were both a part of the Democratic-Republican party.
Answer:
relationship between blood flow and the heart rhythm and helped them discover how the heart works
Explanation:
its in the question
D. He published a newspaper that spoke out against slavery.
The 13th amendment to the Constitution of the USA banned slavery throughout the country.
He was an industrialist and philanthropist. He got his fortune in the steel industry by creating the Carnegie Steel Company and he revolutionized the way steel is produced in the U.S.
