I think it’s d but I might be wrong
Answer: The Model T brought mobility and prosperity on an undreamed of scale through manufacturing efficiencies at a price that anyone could afford. The moving assembly line created the mass-production process, which influenced the “machine age.” It also enabled Ford to steadily decrease the price of the Model T.
Explanation:
Two most important factors were the development of industry and industrialization, and the slave trade. People started accumulating large amounts of wealth due to these two and started investing them in businesses, both personal and by other people. This led to the development of capitalism not only in Europe, but other places too.
It was August 7, 1964 when the Gulf of Tunkin
Resolution passed by the US Congress right after the alleged attack on two US
naval destroyers stationed off the coast of Vietnam. The Gulf of Tonkin
Resolution viably propelled America's full-scale inclusion in the Vietnam War.
Though there is no formal declaration of war, this also gave President Johnson
approval "to take all necessary steps, including the use of armed force,
to assist any member or protocol state of the Southeast Asia Collective Defense
Treaty requesting assistance in defense of its freedom." This has been
used by Johnson and Pres. Richard Nixon as a justification for escalated
involvement in Indochina.