James Watson and Francis Crick
I think this is the answer .
Answer: Blitzkrieg.
Explanation:
Blitzkrieg (lightning war) is a military tactic that uses mobile units and focused firepower to generate disorder in enemy forces. If successful, this tactic allows saving time and resources, as well as lowering the number of casualties. German commander Erwin Rommel used blitzkrieg in the North African campaign of World War II.
An essential nutrient is a nutrient required for normal body functioning that can not be synthesized by the body. Categories of essential nutrient include vitamins, dietary minerals, essential fatty acids and essential amino acids.
Labor unions can use the power of collective bargaining to negotiate, meaning that they will use numbers to assert their power to strike. Collective bargaining is like a compromise both the employees and employer to address certain issues like the employees' wages, benefits, etc.
The answer would be letter C.
When it is a cooperative game, you work together with others. You can think out ways to work out the game. As for non-cooperative, you have to think throughly all by yourself. Teaming with others might make things better. :)