:( title : WWI technology

1)Who made this new technology and when

2)how did it work

3)what was the item used to do?

4) are these technologies still in existence today and have they improved? explain , how they have changed!

he didn't think it was ethically wrong. he thought it was not going to work and it was not going to be of any assistance. he wrote about that in his memoirs.

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: