What are some Greek and/or Roman cultural influences that are present in Civilation today?

One of the most important influences were Greek architecture was one important influence on the Romans.

The Romans used Greek designs in their own public buildings, and now we are using it to build domes, houses, and many other great buildings.

abraham lincoln issued the preliminary emancipation proclamation on september 22nd, 1862. it stipulated that if the southern states did not cease their rebellion by january 1st, 1863, then proclamation would go into effect.