Speculative investing weakened the stability of the stock market because people were "over-investing" in companies--meaning that that companies were becoming highly over-valued, which led to an economic "bubble" that eventually popped in the Crash of 1929.
The first three are correct. Economic growth comes with the fact that:
<span>-Workers (can) receive higher wages.
-More people acquire jobs and earn wages.
-Cost of borrowing money is lowered.</span>ts
These and other aspects increase consumption.
In general terms, the Marshall Plan was "<span>b. a program to aid European nations and to promote prosperity and democracy," since it was believed that this would help stop the spread of communism. </span>
