Which technology led to rapid communication over long distances?​

The Telegraph

Explanation:

The telegraph allowed for people to communicate text and information over long distances without having to wait for long periods of time that more traditional forms of communication such as mail had.

30 and 44 are b

explanation:

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: