At one point, the value of the United States dollar was set according to the gold standard. One of these examples is the fixed exchange rate. The gold exchange standard guarantees the fixed exchange rate to the currency of another country that uses the gold standard.
The answer would be letter A.
Answer: a) never abandoned the party hacks who had brought him to success.
Explanation: Warren harding never abandoned the party hacks because their intentions were more aligned with his winning than personal agendas or objectives, this was noticeable in him winning the 1920 elections which made him the 29th president of the United States, thus led him to become loyal to his party hacks.
John Brown's raid impacted the national issue of slavery by helping towards the civil war. He and his sons fought against slavery by killing the pro-slavery farmers with a broadsword. This fight was known as "Bleeding Kansas". It ended up erupting into a low-scale civil war, which no doubt, advanced the cause of the full-blown Civil War between the North and the South. Pro-Slavery settlers and anti-slavery settlers both settled in Kansas at the same time. So it was inevitable that the two sides would clash.
Answer:
You could make an invention that would persuade people to cut down waste.
Explanation: