George B. McClellan replaced Winifield Scott.
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.
B. authors is the correct answer for this one!
The expansion led to <span>the invention of a money system.
The expansion allowed many traders from China to exchange goods and services with traders from other nations.
In order to make trading process became fairer to both sides, a money system is needed as a form of valuation on a certain products/services.</span>
