He invented dynamite.
He gave all his money to the Swedish Institute for the Nobel prize because he was accused of gaining wealth from selling weapons to warlords so he wanted to show that he is not corrupt and that he wants to help people instead of allowing them to wage war more easily.
Answer:
The domino effect.
Explanation:
The Domino effect is the theory that when one country falls to communism then more will soon follow, one by one. This is what got us into the Cold War and all conflicts surrounding it, including the Korean and Vietnam War.
<u>Answer:</u>
The economic philosophy that Andrew Carnegie is referring to in this quote is capitalism.
<u>Explanation:</u>
It is clear from the terms used and the process described in the quote that the philosophy Andrew Carnegie is referring to is none other than capitalism. It is because Carnegie is speaking about 'competition' which according to him is beneficial in the growth.
The term 'material development' also clarifies that the quote is in the praise of capitalism. Moreover, Andrew Carnegie was himself a capitalist.
The main cause was the Stock Market Crash of 1929.