<span>Augustus created a system of government that survived for centuries. This is his greatest contribution because this gives Rome a stable empire to live on for a very long time. but this is an opinion</span>
Answer:D black codes
Explanation:they are Laws designed to keep freedmen in a slavelike condition and to give planters a supply of cheap labor.
I think it should be because diplomats is the representative of a nation and negotiating with other nations could be more easier if we're already friendly with the diplomat. Also the way we treat their diplomat is also the way of how we treat the nation he/she representing and it would add a good standing in the global status if we are respecting the diplomats.