The answer in the space provided that gave them the view of
which their world is a marketplace than of confining their own self as a single
country is the lower barrier to trade and investment because when they engage
to this, their firm are likely to view the world as their market than a single
country.
Answer:
Finally, in 476, the Germanic leader Odoacer staged a revolt and deposed the Emperor Romulus Augustulus. From then on, no Roman emperor would ever again rule from a post in Italy, leading many to cite 476 as the year the Western Empire suffered its deathblow.
Yellow fever.
after the Spanish War, the most caused deaths by 80% was of yellow fever.