"Focus" allows us to be more efficient and to use our resources effectively by focusing our time, talents, and resources on a few tasks, since this saves us from distraction.
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.
They were influenced by rain and where they were there was no rain and some with cold from the change of climate