What aspects of roman society remained similar from republic to empire

In in 1958, the aarp was organized to promote a mandatory retirement age of 65health insurance for retired americansactivism for native americansemployment opportunities for the disabled

What is the purpose of the system of checks and balances

List five major cold war events that occurred internationally between 1945 and 1965. list five domestic events that occurred in the united states during the same period. make sure to include a brief description and the year of each event.