Answer:
It looks like children working in a coal mine so i guess Gases, Mines could collapse, and possibly get sick from fumes or something.
The Great Depression Causes And Effects<span>. ... Most people think the </span>Great Depression<span> started in October 1929, with the famous Black Tuesday stock market crash, but economists and historians point to an economic downturn which took hold in early 1929 </span>
I think it's her grandmother
March 10 1876. it was made by alxander graham bell with his assistant thomas
