Explain at least FOUR of the reasons that procreation halted and/or life expectancy of the Natives was shortened with Columbus' arrival. What factors were affecting these men, women and children? Do you believe Columbus and others like him can be held responsible for this? Explain why/why not.

How did the united states respond when north vietnam attacked a us warship and sent troops to south vietnam in the early 1960s? a.the united states declined to assist south vietnam against the north. b.us leaders authorized south vietnam to invade north vietnam. c.the president did not sign the gulf of tonkin resolution. d.congress authorized the president to escalate the conflict.