The most probable answer would be (C) AC Electric Power.
All of the options that are presented in the problem are all associated with Thomas Edison except for the AC Electric Power. In the times of the War of the Currents between him and Nikola Tesla, the inventor of the AC Electric Power. The Phonograph, the Incandescent light bulb, the motion picture camera, and the universal stock ticker were all associated with Thomas Edison. The Phonograph was invented by him at around 1877. The incandescent light bulb was at around 1879. The motion picture camera, on the other hand, was at around 1889, while universal stock ticker was at around 1869.
Native Americans' population declined because of infighting within the tribes, because of wars with the colonists but mostly because of the new diseases brought to their land by the colonists that their body was not use to and that their immune system could not fight off. -- Also because of population resulting in spreading of diseases -equals more death due to undeveloped medical tech
Answer:
Slow government response
Explanation:
At that time, the massive discrimination toward women and minorities group run rampant in the country. Causing a massive problems such as difficulties to obtain job, significantly lower wages for the same work, different treatment in government court, etc. But the civil right movement that has been started since early 1900s still pretty much ignored by the government.
This caused many activist groups started to emerged in order to shake up the status quo. Some of the groups are militants but some of them are peaceful but assertive.
One of the most famous figure that arise during this era was Martin Luther King Jr. He led several peaceful protests that managed to attract national assertion and forced the government to responded. This led to the creation of the civil rights act in 1964.
Jean-jacques Roussea is mostly closely associated with the government being ruled by the people.
One of the major ways in which slaves helped to grow the colonial economies was "By developing new land" since most of their work was done in the fields.
