What is the baby boom generation?
a. a generation of world war ii american soldiers
b. a demographic bulge in the population following world war ii
c. a generation of babies infected by environmental toxins
d. a statistical distribution of the human population

B. a demographic bulge in the population following World War II

Explanation:

The baby boomer generation is a generation of Americans who were born in the United States immediately following World War II (1939–1944).

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

a peace conference held after the surrender of japan

an international conference held near the end of world war ii

a meeting of the victorious nations after the defeat of germany

a summit meeting between the united states and the soviet union