A.) The Americans defeated the British during the war
Yes it can, . .. technically, a nation-state can be defined as a political unit., since a nation-state has a group of people that gathered under a same government that has its own policy that the people has to follow in their day to day life.
hope this helps
The answer is A. the Sensorimotor Stage which covers from birth to age 2.
preoperational covers ages 2-7
Concrete Operational 7-11
Formal Operational 12 and up