How did the Eastern Roman Empire’s geography support its population?

The East was vulnerable to invasions from Europe, Asia, and Africa.
The East was protected by natural features, including mountains and water.
The East had a more diverse population due to nearby Gothic tribes.
The East had no access to valuable trade routes such as the Silk Road.

What directive in source a might have been at the root of the action described in source b?

Which of the following world and national events led to a new view of people with disabilities in the us:     a.  world war i and ii veterans with disabilities returned home after the wars.b.  john f. kennedy was elected president and had a sister with a disability.c.  the civil rights and feminist movements.d.  all of the above.

How did european exploration and expansion cause the african slave trade to expand? a. european explorers discovered the slave trade and expanded it across the indian ocean into south asia. b. arab armies captured european explorers and forced them into slavery. c. european traders shipped enslaved africans to work on plantations in european colonies in the americas. d.european explorers captured african people and forced them to work on their ships.