B. The combination of industries led to new inventions and innovations such as the Internal combustion engine and the Electric Lightbulb.
Explanation:
This one sounds the most correct for me because these new inventions and innovations allowed more industries to be build to help create these new objects.
Appeasement was popular for several reasons. Chamberlain -and the British people- were desperate to avoid the slaughter of another world war. Britain was overstretched policing its empire and could not afford major rearmament.
The biggest problem with the Articles of Confederation was that it gave too much powers to the individual states and did not enumerate enough powers to the federal government.
