Ames Watt's<span> key </span>contribution<span> to the Industrial Revolution was his improvement of steam</span>
Answer:
A National Border
Explanation:
The picture is of North America with the border between the US and Canada being at 49 degrees North Latitude.
To stop the amount of crimes that was happening
Renaissance began to flower in Italy, and northern Europe was recovering from Black Death. In 1400s, the cities of north enjoyed economic growth and wealth needed to develop own Renaissance.