Which three of these challenges did humans face as they settled into agricultural life?

food chain i would say only because there is competition on getting food and survival

what are you options

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