<span>Some people have questioned whether the grants in aid program
gives the national government too much say in matters of State and local
concern. The American federal system recognizes strictly limited federal
involvement in matters of state and local concern arousing concern.</span>
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The President presents an award to the artist who created a statue in
honor of the 500th anniversary of Christopher Columbus' voyage to
America. The president's role is the Chief Executive.
As the leader of the executive branch, the President of the United States has many roles.
He is the Chief of the State. He is the commander-in-chief of the US armed forces(Army, Navy, Air Force, and Coastal Guard). He is the Chief of State. He has the power to appoint the members of his cabinet. And he is the Chief Diplomat.
A= He argued that observations and experimentation are the most important tools for understanding the natural world
It is a true fact that Caliphs recruited Persians and Turks as government officials. The correct answer among the two options that are given in the question is the first option or option "a". Caliphs were the most powerful people of that time. I hope the answer comes to your help.