For experienced business people:How have,or will,all the recently approved bailouts work?For how long?

Also,what's the difference between now and the 1929 Stock Market crash,which led to the Great Depression?Were there less rules back then?Or,no rules at all?Also,how much time will go by before the recently approved bailouts take place?How will they affect each state?What was the real cause of this major worldwide economic meltdown,as well as the 1929 Stock Market Crash?