The correct answer for your first question is: Dept. of State, which advises the President and is equivalent to the foreign ministry of other countries. It also represents the country in International affairs.
Regarding your second question “the department of state is the lead federal agency and oversees u.s. government coordination and support to a host nation's internal defense and development/coin efforts?” The answer to this question is: yes, that is correct.
Answer: D) "Since horses were not introduced to the Americas until Columbus, the Aztecs and Incas did not use horses or advanced weapons, while the Afro-Eurasians had highly developed cavalries and weaponry."
The answer is not A because Afro-Eurasia was composed of giant empires and governments, not small ones. The answer is not B because slavery was acceptable in the Incan and Aztec empires <u>as well as</u> in the Afro-Eurasia. Finally, it can't be C because in Afro-Eurasian governments, <u>only a few</u> were centered on religious beliefs, not all.
It would be D) carbon dioxide (I took the test haha).
B. 65-84..........................
