1. The Nineteenth Century
Electric power AC and the telephone gave place to the most important advances in years to come in the United States. Electric power AC together with the telephone became the cell phone predecessors. Those innovations boosted the economy and it is even hard to imagine the new era of communications without these two innovations. The United States has kept its first place as world power as a result. The automobile, though not fully developed until the Twentieth Century together with the telephone and electric power AC foresaw future developments that changed communication, commerce and relationships not only around the United States but across the world.
2. The Twentieth Century
Computers, together with internet have changed the way the world communicates today. Computers and internet have empowered the United States to maintain a leading position in the world by speeding up communication and spreading knowledge and technology.
We cannot leave the airplane and antibiotics aside as they contributed greatly to the boosting of the national industry and the winning of war. Antibiotics have contributed greatly to public health.
Answer:
During World War II, Marshall was instrumental in ... the central strategy for all Allied operations in Europe
Explanation:
They would build the windmill after all
In aryan society, <span>People were divided into social groups based on occupation.
The group was divided into 4 strata, the highest one is for the people who held priest or academics as an occuppation, the 2nd highest is for government officials and warriors, the 3rd highest is for merchants and landowners , and the lowest is for the servants.
Yes, it change overtime, For example, priest no longer placed the highest within the social groups as scientific knowledge start to develop</span>