Answer:
Pools that are lined with vinyl are built with metal or plastic frames above ground or set into the excavated hole. Prefab supporting walls or panels made of plastic, steel, or aluminum are joined to the frame, making a form that is then lined with heavy vinyl to form the pool shell.
Explanation:
The internal and external factors that contributed to the collapse of the
Roman and Chinese empires were as follows:
Internal factors -
- excessively expensive and overextended compared to the existing resources.
- neither had technology advances that increased available resources.
- Both were victims of tax avoidance by landowner families who absolved the poor from paying taxes.
- Instability was brought on by antagonism between elite factions in both cases.
- Both were affected by epidemics.
External factor -
- Both empires' frontier territories were inhabited by nomadic nomads who grew to be increasingly dangerous and eventually captured parts of both empires.
<h3>Why did the Roman and Chinese empires collapse?</h3>
The fall of the Roman Empire had a number of causes. Each was woven into the other. Many people even attribute the rise of Christianity to the fall. Many Roman inhabitants became pacifists as a result of Christianity, making it harder to repel the barbarian invaders. Additionally, the Roman empire could have been maintained with the money invested to construct churches.
Han China's downfall was primarily brought on by the government's inability to run the country effectively. The bureaucrats became corrupt and prioritized pleasure over their jobs. The empire saw epidemics and nomadic insurgencies, yet government spending increased because political officials led extravagant lifestyles.
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<span>D. Eisenhower used a combination of executive orders, proclamations and military orders to enforce the brown v. board of education ruling in little rock, Arkansas.
D. Eisenhower was the 24th president of the United States, he was in office from 1953 to 1961. In 1957, there is little rock, Arkansas desegregation crisis. To enforce integration of Little Rock High School, federal troops were sent.</span>
