Answer:
The Strategic politician hypothesis 
Explanation:
Strategic politician hypothesis involves politicians knowing when to make certain moves concerning their political ambitions.
President Barack Obama's popularity sagging and a struggling economy, many quality Democratic candidates decided not to run in the 2014 elections because they felt it wasn’t the right time to do so in order to support their fellow Democrats in order not to lose power to the opposition.
 
        
             
        
        
        
  In the late 1800s, workers organized unions to solve their problems. Their problems were low wages and unsafe working conditions. ... First, workersformed local unions in single factories. These unions used strikes to try to force employers to increase wages or make working conditions safer.&For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
        
             
        
        
        
The answer is "cerebrum".
The cerebrum refers to the most superior and front of the mind's significant areas. It is the seat of reason, arranging, memory, and tangible coordination. All cognizant idea starts in the cerebrum and can impact the intuitive elements of the lower areas of the brain. Cerebrum, the biggest part of the mind.
        
             
        
        
        
The correct answer is letter A
Explanation: Plyometrics is a method that combines jumping and throwing exercises that involve stretching the muscles followed by rapid contraction (concentric phase).