Why did this 1929 event cause people who had not invested in the stock market to lose their savings?

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered

What did palestinian leader mahmoud abbas promise after succeeding yasir arafat in 2004?

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity