What could an archeologist infer from the fact that fish bones have been found at mountain sites of the inca empire, while potatoes, a mountain crop, have been found at coastal inca sites?

The correct answer is - Trade.

The Inca Empire was a great civilization that was well developed. The empire occupied high mountainous parts, but also lowlands, and coastal parts. The road infrastructure throughout the empire was on a high level and that was for multiple reasons, trade, communication, travel.

The people that lived in the mountains were producing certain products, and the people in the lowlands and coastal areas other products. Because of the great road infrastructure, the free movement of goods throughout the empire was relatively easy, so the potatoes could've easily go to the coastal areas, and the fish up in the mountainous areas.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation: