Answer:
For free market economy, we can explain it in 3 expects. First, because households are the 'owners' of productive resources, firms have to pay them for their resources in the resource market, they can produce everything they want, the type and amount of products are determined by every individual firms, but they should produce the goods and service that other companies or household want, and can make the maximum profits, more profits, more motive for the producers. Prices are determined by householders.
While For the centrally planned economy, (it is also called command economy), all the resources (land, labour and capital) in the market are allocated by government, and it makes all the productive decisions, including price determination, so, the centrally planned economy is a government-controlled economic situation. First, a centrally planned economy may choose to produce whatever the government decides is most crucial to meeting society's needs, the government should provide services and goods that can cater to the people's need. Like in the 19th and 20th centuries period, in China, Mao Zedong realized that China is under a low level of heavy industry, so he decided to develop it first, then the light industry, this decision is sensible and realistic.
Federalism is a political system where two or more governments have authority and control over the same area.
Explanation: It has been a topic of debate since US gained its independence whether federal government should have more power in order to make the country’s laws universal or the States should be allowed more power so that they can experiment with different policies, which may be useful for both the federal government and the state government
In some states the legal age of drinking is 18, whereas in other areas it is 21. Therefore, it is believed that unless there are no different policies for each states, how will they know which policy works the best. If a single policy is prevalent in all the states then there is no chance of comparison.
Option D: The cities were destroyed and are uninhabitable to the present day.
On August 6 and 9, 1945, the United States dropped two atomic bombs on Hiroshima and Nagasaki, Japan. The two bombings killed between 129,000 and 226,000 people, mostly civilians, and remains the only use of nuclear weapons in an armed conflict.
Is there still radiation in Hiroshima and Nagasaki? Radiation levels in Hiroshima and Nagasaki today are consistent with the very low background levels (natural radioactivity) found anywhere on Earth. There is no effect on the human body.
The plutonium bomb detonated at Nagasaki was actually more powerful than the one used at Hiroshima. Much of the reason for the higher casualty numbers in the latter city is due to the different physical characteristics of the two cities.
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The name of the ship that brought the settlers to Plymouth was the "Mayflower" and the document that most of its passengers signed was the "Mayflower Compact", which was enacted upon arrival.