<span> national economies are NOT relatively self-contained entities.
Because of the globalization, it is easier for the people in a certain country to communicate with other people in another country.
This improves the chance of bilateral relationships between more than one countries and make their production process will be integrated to serve one another better.</span>
The answer is They were carried on boats down the rivers.
Hope I helped!
I believe the answer is would be included in Category 1.
Incidents category 1 would automatically treated as the main priority in the incident management because it considered to expose the country with the most potential danger. (because it usually <span>seriously degrades unit operational or training )</span>