I think it's the telephone because it allows people to communicate better and customers or workers don't have to walk up to everyone and disturb them. You may elaborate more on this with your own opinion
The atomic bomb
Hope this helped
The one that correctly describes an effect of the Compromise of 1850 on escaped slaves and freedman would be: <span><em>Members of both groups were captured under the Fugitive Slave Law.
</em></span><em />The compromise of 1850 regulates the status of both escaped slaves and freedman during the Mexican-American war. During this period, some states started to give more rights to the slaves and freedman while the rest of them created harsher rules.
