Answer:
a political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs
Explanation:
D.The new canals increased production cost.
How i know this:I took the test
nomads are people who moved from one place to another depending on the weather, food, etc. bipedal are animals who are able to walk with 2 legs. hunters and gatherers preceeded nomads and decided to settle in one place instead of moving around periodically. tool makers makes tool I guess.
Answer:the answer is D
Explanation:because I am in collage