Answer:
no one knows for sure but most think it was caused by WW2. When WWII started the USA started sending supplies to the allied powers and making the economy boom. When the USA entered the war millions of men where sent to the UK and all the jobs and factories where filled and pumping out supplies and resources at full swing.
The correct answer is D. The Quartering Act<span />
Historical documents revealed American children worked in large numbers in mines, glass factories, textiles, agriculture, canneries, home industries, and as newsboys, messengers, bootblacks, and peddlers.And by 1900, their efforts had resulted in state and local legislation designed to prevent extreme child labor.
<span>It showed the world that the US was ready to expand its empire and gain</span>
