Answer:
It was due to the fact that many children would die or get seriously injured working in harsh environments.
"A hero is someone who has given his or her life to something bigger than oneself." - Joseph Campbell
"We do not know one promise these men made, one pledge they gave, one word they spoke; but we do know they summed up and perfected, by one supreme act, the highest virtues of men and citizens. For love of country they accepted death, and thus resolved all doubts, and made immortal their patriotism and their virtue." - James A. Garfield
"Home of the free, because of the brave." - Unknown
"May we never forget freedom isn't free" - Unknown
"The brave die never, though they sleep in dust, their courage nerves a thousand living men." - Minot J. Savage
"As we express our gratitude, we must never forget that the highest appreciation is not to utter the words, but to live by them." - John F. Kennedy
"Those who have long enjoyed such privileges as we enjoy forget in time that men have died to win them" - Franklin D. Roosevelt
"Our flag does not fly because the wind moves it. It flies with eh last breath of each soldier who died protecting it." - Unknown
"The patriot's blood is the seed of freedom's tree." - Thomas Campbell
"Patriotism is not short, frenzied outbursts of emotion, but the tranquil and steady dedication of a lifetime" - Adlai Stevenson II
Limiting factor can be birth rate or death rate
I know it is C.
"Any fool can destroy trees....They cannot run away."
