Answer:
The ancient Greeks contributed far more than three things to European culture, but arguably the three most important are literature, architecture, and medicine
Labor unions can increase wages through:
collective bargaining
Reducing supply of labor
and increasing demand for labor
In collective bargaining, the workers can send their representatives to negotiate new working terms with employers (including work hours and increasing wages).
Reducing supply of labor would make the existing laborers become more lucrative, rare and valued. This would resulted in an increase of workers' wages.,
Increasing demand for labor can be done by improving the members' skills through courses or seminar. By having additional skills, the members can be eligible to harder and more rare job opportunities. This usually correlate with higher wages
Answer: Private benefit; external benefit
Explanation:
Citizens are faced with divers scenario where they have been threatened by guns, the gunmen understand that in some of those scenario they victims where unarmed and other scenario they are armed. When law abiding citizens carry gun to protect themselves from this gunmen it is understood to be a Private benefit of concealed carrying while this also reduces the ability of the criminals to attack them, this is known as external benefit of concealed carry.