Why is strength an internal force

Because it comes from within the person.

Explanation:

In business, we learn about the concept of internal force and external force as two factors that could influence the outcome of a certain event.

External forces are the type of influences that come from our environment. Generally, it's not something that we can control. We have to make proper adaptation to address the external forces to prevent it from ruining our goals.

Example of External Goals : Natural disaster, Future laws made by the government, etc.

Internal forces on the other hand are the type of influences that come from within ourselves as a person. It is something that we can control and constantly thrive to improve in order to make it easier for us to achieve our goals.

Example of internal goals: Strength, Emotional stability, Motivation, etc.

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.

someone i feel is a leader in my life id have to say would be my mother because she has give me great advice in life and got me out of tough situations. some characteristics she has are creativity, honesty, commitment, respect for others, and communication. one example of a situation when she demonstrated leadership was when i was working late on homework and i started to get stressed and got upset, she asked me if i needed some , and she me with my work. she demonstrated communication and commitment.

i don't know if this is exactly what your looking for but i hope this !