C.
D.
I study this And believe in it Trust me this is right
The name of the device is the <span>Fessenden oscillator. It was made to allow submarines to communicate through Morse code. This way they could avoid communication being intercepted.</span>
1. The idea of America expanded from the Atlantic Ocean to the Pacific Ocean is known as Manifest Destiny. This idea shaped the federal governments policy for almost the entire 19th century.
2. The Kansas-Nebraska Act was a law that allowed citizens to vote on slavery. This was introduced by Stephen Douglas .
3. Runaway slaves were brought back to their owners thanks to the Fugitive slave law.
4. The Dred Scott case concluded that slaves were not people, they were property. The lead judge in the case was Roger Taney .
5. Uncle Tom's Cabin was a famous book written by Harriet Beecher Stowe.
6. Robert E. Lee was the person who captured John Brown.
7. Frederick Douglass was a leading abolitionist in American society.
Answer: is B
The plants and animals of South America are numerous and unusual.
Explanation: hope this helps
Answer:
The need for public transportation arose in the age of rapid industralization in Europe and the USA. Public transport vehicles and a city system were needed for the masses of workers that had to move and work in shifts in the urban factories .
Explanation:
