Answer: the Roman Republic had a system of checks and balances
Explanation: just answered this question correctly
It is B. New European medicines made surviving harsh colonial conditions possible.
Answer:
dome and arches are used by Sumerians
Answer: The worlds smallest building is the McMahon Building, and the tallest building is Burj Khalifa of Dubai. I had to search these up lol
The "gadget" was the nickname of the first atomic bomb which was detonated<span> at the Trinity test site outside Alamagordo, New Mexico on July 16, 1945. This plutonium implosion-type bomb was similar to the "Fat Man" bomb dropped on the Japanese city of Nagasaki.</span>
