How did early humans protect their limited food resources?

by planting crops on large plots of land in the settlement
by building permanent structures that could be used to store food
by developing new tools such as the plow
by harvesting crops in large groups of people

the answer is b. hope this

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.

because their parents smoke while in labor