Answer:
relationship between blood flow and the heart rhythm and helped them discover how the heart works
Explanation:
its in the question
The battle of Chancellorsville, because it was a huge victory for the confederacy and general Robert E. Lee during the civil war
Answer:
Russia successfully revolted against its monarch
Explanation:
The Russian empire ended after the October revolution, in which the bolsheviks overthrew the Tsar, and created the Soviet Union.
Its A because George W. Bush signed this act into law in 2001.
