By negotiating affordable rates with the supplier
Cookware guide for solar oven cooking illustrates the best types of cookware for solar ovens, such as granite ware and glass
Answer:
A. The collaborators may have different disciplinary and cultural backgrounds and practices.
Explanation:
One of the key reasons international collaborations can be challenging is because of the cultural and language barriers that the collaborators face. Also, differences in main disciplines or focus field of the collaborators also results in difficulty when conducting research. Communication issues and cross-disciplinary issues are two major reasons for international collaborations difficulties.
The correct answer to this open question is the following.
"By last quarter of nineteen-century nationalism no longer retained its idealistic liberal -democratic sentiment of the first half of century, but became a narrow creed with limited ends".
The meaning of this quote is the following.
At the end of the 1800s, nationalism ended its concept of a liberal nation and turned into defiant and intolerant nations that supported hate against other nations. People formed groups that exhibited intolerant attitudes against other nations or ethnicities, which was the root of many conflicts to come, include the beginning of World War I.
Some European superpowers fed this nationalistic sentiment to declare wars or pressure other nations, as was the case of the conflict in the Balkans region in 1871. This region grouped many ethnicities that today are the countries of Romania, Bulgaria, Croatia, Slovenia, Serbia, Bosnia, among others. Here the major conflicts exploded.