After peace talks between the united states and north vietnam stalled, which occurred first?

What was the significant advancement of the caravel? a. it could sail with the wind c. it could sail against the wind b. it could sail at night d. it was motorized

What from the columbian exchange had perhaps the biggest impact on the world?

Take another look at the population pyramid for france in 1950. notice the disparity between the male and female populations in the 55 to 70 year-old age group. what historical event could account for this disparity?