What factors enabled the byzantine empire (eastern roman empire) to survive for 1,000 years after the fall of the western roman empire?

At the time of hitler's 1939 invasion of poland, the us had a policy of appeasement negotiation opposition neutrality

The soldiers in the novel use the phrase "it all looked good on paper" several times throughout their experiences. what does this mean in the context of the war?

Define the word imperialism. what is your opinion: should the u.s. engage in imperialism? under what circumstances? offer a brief, effective argument against the opinion that you hold.