Which is the king of all subjects?

The subject which is difficult is the king

The answer is:

Explanation:

In my opinion its Social Studies since it is the most difficult..

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c. taught scientists many new things about the earth, but not other planets.

explanation:

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in