A physical change chamges the substances apperance, but a chemical changes the chemical formula of a substance. Hope this helps!
During the Cold War, and in the past decade, U.S. policy often viewed nuclear weapons apart from the rest of the U.S. military establishment, with nuclear weapons serving to deter a global nuclear conflict with the Soviet Union or Russia.
A, this is because they have just gone through the Civil War and now they need to reconstruct the land and government
1. Other countries might have controversy (arguments)
2. It could kill animal and vegetation life
Answer:
• States function as laboratories of democratic policy innovators.
• The federal government has the authority to establish a uniform policy whenever necessary.
Explanation:
The two of the most significant advantages of federalism for the formation of public policy in the U.S. would be:
1). States are permitted to create particular policies as per their discrete needs which help in better development of the states.
2). The federal possesses the authority to establish a steady policy as well if necessary or in case of any disorder or chaos.
3). They also function as work rooms for forming democracy and the innovators of policies.
