Answer:
2. More than 80%
3. Steel and Elevator
4. Developed the first vaccinations
1 and 4 are the best choices since The barbarian attacks killed many romans and the Huns sacked hundreds of cities in the Roman Empire and caused chaos. I also believe 4 is another reason for the decline, since the religion started about 400 years before the fall of the empire and sparked many different believes and divided the Empire through religion.
Answer:
They gave us the Latin alphabet consisting of 26 letters. The language influenced the development of many other languages. Many of our English language words are derived from Latin roots.
Explanation:
hope it helps!
Cotton could also be obtained from Egypt and India
