Answer:
The Tenth Amendment was intended to confirm the understanding of the people at the time the Constitution was adopted, that powers not granted to the United States were reserved to the States or to the people
Explanation:
Put it in your own words
Yes, it is true that under chief marshall the supreme court strengthened its authority, since this was one of the earliest courts in America, where many precedents were set.
In a joint-stock company investors buy and sell shares and they own a a portion of the company. Hope this helps!