What are necessary, just, property rights?

The Constitution protects property rights through the Fifth and Fourteenth Amendments' Due Process Clauses and, more directly, through the Fifth Amendment's Takings Clause: "nor shall private property be taken for public use without just compensation.

answer:

the colonists had their reasons for creating a weak central (federal) government under the articles of confederation. not only did they create a weak federal government, they restricted the powers of the state governors because they were so concerned about the leaders abusing their power.