The construction indeed marked and changed many issues in the United States, being considered the greatest technological achievement of the nineteenth century. It was still necessary to link trade activities as well as travel between the US West and East to accelerate the economy, making the country one of the largest powers in the world afterwards.
In the later fifty the United States built several railroads, more than any other nation. By 1869 the line was completed and a journey made by horse for months and months was now possible in less than a week. Five days after the end of the road, it has started to operate daily passenger rail services. The comfort and quality of the ride was amazing and everyone was very surprised. Even the magazines gave enthusiastic accounts of the trip.
Generally speaking, economic policy must strike a balance between ideals and "pragmatism", since it is not always possible for a country or a state to make realistic economic goals that are beneficial to most of the population.
Answer: Bad
Explanation: Colonisation in Africa started in the 17th century and until the 19th century. However, even after colonization ended, its negative impact has remained amongst all. Even though the European colonizers said they were going to Africa to civilized, they actually went there to acquire raw materials for their industries in Europe.
Some of the negative impacts colonization has on Africa are:
- Colonization brought different types of diseases
- Colonization disrupted local communities from developing
- Colonization causes slavery and racism towards Africans/Black people
- Africans lost their political independence
There are several factors you can mention. I would recommend you do a little research on the topic to learn more.
Answer:
C) NREM-3 sleep
Explanation:
C) NREM-3 sleep refers to stage 3 of NREM sleep. This stage is considered as a deep sleep stage and brain waves are termed as delta waves during this stage. The slow speed and large amplitude are characteristics of brain.
The characteristics of NERM -3 sleep are
- muscles are relax
- blood pressure drop
- stage of deepest sleep
