It’s 18
D
I know this because this is age across the whole map because it’s in dark blue
Answer:
The invention of the steamboat
Explanation:
Their speed and ability to travel against the current reduced the time and expense of shipping..Hope this helps!
Answer: He proposed a lenient policy that would allow Southerners to rejoin the Union quickly. In December 1863, he offered full pardons to Confederates, other than a few high-ranking leaders. To receive the pardons, Southerners would have to swear their allegiance to the United States and agree to the end of slavery.
Explanation:
It gace americans a new way of producing goods for trade or monetary gifts that heloed boom the economic growth