He bought it from the French
Answer: D. The conventions of traditional American society
Very early societies did not have a written language or even ways to efficienly preserve information, so we can reject the options "maps" and "written records".
As far as the other two options go - ice core samples and tree rings, both are correct! probably "ice core" samples are the better answer, since only fossilized tree rings would tell us about the very early societies.
Answer
Congressional budget office The general accounting office Government printing office Library of Congress
Explanation
The legislative branch of the government is the branch that is in-charge and has the responsibility of making the laws.It consists of the congress and other Government agencies. The congress is divided into two parts which are the the House of Representatives and the Senate where the Members of the House of Representatives and the Senate are voted into office by American citizens in each state. The legislative branch of the government maintains the Congressional budget office, the general accounting office,Government printing office and the Library of Congress.