Why was the economic system of manorialism used in the early Middle Ages?

How did the united states surprise other delegates at the washington naval conference in 1921

Imagine that you are putting together a time capsule for future generations. it will be buried and then unearthed in the year 3000. you want to place in it the items you feel best document your life and times. they can be personal items or items that relate to your larger community. name six items you would include. they can be objects, writing, or something in an audio or visual format. what would you include and why? describe each item in one or two sentences mentioning what it is and how it could future generations learn about your life and times.

How did the russian revolution impact world war i? a) the russians required the allied powers to come to their aid and defeat the radical groups. b) the russians pulled out from the war, enabling the germans to focus on the western front. c) the russians created new technological advancements that were used by the allied powers to win. d) the russians created a new communist government that aligned with the central powers instead.