Optics and Gravity i know i got this one right
A) Henry Ford is known as the father of the modern assembly line.
Because of this invention, the Ford Model T was inexpensive and was extensively bought by the middle-class people
hope this helps
In the 1930’s, a huge surge of the blues and jazz erupted from the Harlem Renaissance, bringing these feelings of hopelessness to the forefront. Since people were unable to pay for anything, many were caught on the streets and wandering around as hobos looking for their next meal. Many aspects of the daily life reflected the new poor economy, such as a rise in homelessness, job loss, and overall “Depression”
Emperor Trajan is a great one
They defeated the Byzantine Empire
