Answer:
Trade by barter
Explanation:
This economic system is known as the oldest economic system used by humans many years before money was first printed.
In this system, individuals traded their goods for another good that they wanted. It was not uncommon to see people trade copper for wheat or to trade a donkey for a dove.
This system made people to give out what they had (which they usually had in excess) for what they wanted.
Answer:
It strengthened the legal protections of slavery
Explanation:
The radio spread news quicker across different regions in the US.
Impressment was a violation of neutral rights
I believe that the most fitting answer for this question would be prosecuting "trusts," or monopolies, that were in violation of the federal Anti-Trust law. During the Progressive Era, or 1900 to 1917, trust-busting efforts were very prevalent. Roosevelt, Taft, and Wilson were especially adamant about trust-busting. Hope this helps.