The surrender of the brotish army was at

The British army surrendered at Saratoga, in the Battle of Saratoga, which effectively ended the American Independence, and the US was seen as a nation of its own.

~

according to the map, most industrialization in europe occurred in the northwest.

the production of coal and lignite deposits was profitable throughout western europe.

the building of railroads transport goods throughout europe.

according to the map, the population trend indicates that more people are moving into cities.

northwest

coal and lignite depostis

railroads

cities

the answer is going to be c