Answer:
Radio and Television
Explanation:
I actually just went over this in my Government class!
Answer: slavery
Explanation: Indentured servitude was in the very infancy of the colonies there were people that would essentially become apprentices in order to make their way in society. With the introduction of chattel slavery there was no longer a need for indentured servitude as they indentured servants would eventually be able to work for their freedom. Slaves were seen as an endless supply of expendable labor which was far cheaper than indentured servants. Hope this helps!
<span>The first striking change occurs with the appearance of new weapons. A machine gun was designed that used the recoil to operate the mechanism of the weapon in a continuous manner. The Parabellum-Pistole (Pistol Parabellum), is a semiautomatic pistol operated by recoil. There were three types of general-purpose pistols: revolvers, automatic pistols, and semiautomatic pistols. The rifle, became the most crucial infantry weapon, of the battlefields. The gases made their appearance sowing horror in the trenches, and the tank was undoubtedly one of the great novelties of the Great War.</span>
Answer:
The Manhattan Project
Explanation: FDR started the project but was kept under secrecy so no other country would find out creating and testing nuclear weapons.
