World war 1 began on 28 July 1914 and ended on 11 November 1918, so the years when WW1 lasted were 1914, 1915, 1916, 1917, 1918 it lasted exactly 4 years 3 months and 2 weeks :)
Generally speaking, cities grew along railroads and canals because "<span>workers could not live anywhere else," since the canals and railroads provided for the easy transport of workers and goods. </span>
Answer:
the second one
Explanation:
I think it makes the most sense considering how differently the world thinks now than 40 years ago
