The correct answer <em>is a Terrace</em>.
A farmer living on the edge of a steep mountain that would like to increase the number of crops he can grow, can build a terrace, one Inca advancement that could be of the most use for him.
The region of the Andes is a place where the tallest and difficult to access mountains exist. However, the Incas developed intelligent ways to harvest crops to take advantage of the steepest areas in the high mountains. They built terraces, cisterns and irrigation canals in the form of “s” or snakes in the slopes to angled down around the hills and mountains. The terraces covered thousands of hectares in ancient Peru, where Incas grew potatoes and corn.
The Emancipation<span>Proclamation is the event in history that Seidman says occurred in direct violation of the Consitution.</span>
Constitution, would be the most probable answer I think.
Answer:
Yes because many states in the Middle and Western US are democracies consisting of both elements. On the one hand, they have Legislatures made up of Representatives and Senators - this is, of course, representative democracy since the officials are elected and then go on to represent their electors in the Legislature. Additionally, many of these states have the initiative and referendum process.