Hi there!
The Tenth Amendment details that those powers not reserved to the federal government, nor prohibited by it to the States, are reserved for the states and the people respectively.
Answer:
- New flu strains
The Pasteur Institute is an international Networking institute that works towards developing different ways to improve humans health and it is named after Louis Pasteur who is very recognized for his docoveries in the principles of pasteurization, vaccination microbiology and fermentation, they develop new vaccines a new medicines to help health world-wide.

I believe the answer is A) Before the Industrial Revolution, European industries relied on manual labor to produce goods, but afterward, they began relying on machines.
The Industrial Revolution was a period of time when Western Europe and the United States began to transition to using machines instead of manual labor. Lots of new inventions were thought of during this time period.
Hope this helps! Please let me know if I'm wrong :)
The correct response to the Brezhnev Doctrine in the Soviet Union is as follows:
It is FALSE that the Brezhnev Doctrine put forward by Soviet leader, Leonid Brezhnev stated that any threat to Europe would require intervention by fellow states.
<h3>What was the Brezhnev Doctrine?</h3>
The Brezhnev Doctrine was a foreign policy put forth by Soviet leader Leonid Brezhnev in 1968. It called on the Soviet Union to intervene militarily in socialist or Eastern Bloc European countries where socialism was threatened.
The Brezhnev Doctrine followed the Soviet-led invasion of Czechoslovakia in 1968. However, it was renounced during Gorbachev's rule.
Thus, the Brezhnev Doctrine did not state that any threat to Europe would require military intervention by Warsaw-Pact countries.
Learn more about the Brezhnev Doctrine at brainly.com/question/1338123
The Mexican Cession happened in 1848. In this treaty, Mexico handed over Texas to the US. Hope this helps.