In what year did the human population reach 1 billion people

1 billion seconds is 31.709589 years or about 11,574 days

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

abraham lincoln issued the preliminary emancipation proclamation on september 22nd, 1862. it stipulated that if the southern states did not cease their rebellion by january 1st, 1863, then proclamation would go into effect.