As they had no correct method of communicating
Thomas Jefferson authorized the Louisiana Purchase despite questions about Constitutional provisions. Many including Jefferson himself questioned whether it was Constitutional or not for the U.S. Government to purchase new territory, however, in the end he decided to move through with the Louisiana Purchase.
All of the following played a role in the Great Depression except "<span>B. an under production of goods and services," since this a result of the Great Depression, not a cause. </span>
Marie curie - discovered new elements
Louis Pasteur- created vaccines
Gregor Mendel- discovered heredity
Joseph lister - proved the importance of sterilizing medical equipment
George Washington carver- pioneered new agricultural techniques
"The Southern states have been conquered and should be punished for their actions." is the correct answer.
