C) New settlers arrived at a steady rate and the population increased gradually
You mean "The Tree of Liberty must be refreshed with the blood of Patriots and Tyrants". It means a revolution should take place once government gets too big or they begin to infringe on the free will's of people. Which means, Patriots and Tyrants will die if it means to maintain Liberty.
Answer:
Opposing sides were dug into trenches, which led to higher casualties and poor conditions for soldiers but they could rarely advance because of improved technologies such as machine guns which gave a tactical advantage to defensive forces and artillery.
Explanation:
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.