Answer:
To this day you can still find leftovers or inspiration of the Romans architecture in buildings like the concert building in Amsterdam and many others all over Europe.
Answer:
Three Primary Colors (Ps): Red, Yellow, Blue. Three Secondary Colors (S'): Orange, Green, Violent. Six Tertiary Colors (Ts): Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, which are formed by mixing a primary with a secondary.
If you are a producer, you make the items, if you are a consumer, you consume them.