Answer:
The breakaway province In Palmyra's neighborhood the civil wars were even more dangerous because the powerful Sasanian Empire in Persia was squeezing the caravan trade and repeatedly threatened invasion.
Explanation:
Louis Pasteur
"Proving the germ theory of disease was the crowning achievement of the French scientist Louis Pasteur. He was not the first to propose that diseases were caused by microscopic organisms, but the view was controversial in the 19th century, and opposed the accepted theory of “spontaneous generation."
The Global Burden of Disease: Generating Evidence and Guiding Policy identified the high rate diseases that caused death between 1990 and 2010. The leading causes of global burden diseases indicated in communicable diseases is HIV and on non-communicable disease it is diabetes.
It was actually from the country "Columbia" that the United States need to buy rights before building a canal across Central America, since this was Columbian territory.