I need help with 1-3 plz

1.The Constitution grants the federal government certain powers, and the Tenth Amendment reminds us that any powers not granted to the federal government “are reserved to the States respectively, or to the people.” The purpose of this structure is straightforward

2. States must work together on many other issues, and they must work with the national government if the needs of all the people are to be met. States Work Together. By signing the U.S. Constitution, the states agreed to cooperate with each other.

3.Federal grants to state and local governments help finance critical programs and services across the country. These grants provide roughly 31 percent of state budgets and 23 percent of state and local budgets combined, according to the most recent data. They support health care, public education, housing, community development, child care, job training, transportation, and clean water, among other programs, which are vital to residents of every state — particularly those with low or moderate incomes. Many states are experiencing revenue shortfalls and struggle in most years to find adequate revenues to support services; without federal aid, they would likely cut or eliminate many of these programs.

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this info is from several sources hope this helps tho