Which of the following statements about the emancipation proclamation is correct?

a. it did not completely satisfy abolitionists or supporters of slavery.
b. at first, it did not free a single enslaved person.
c. as the war went on, it freed all the enslaved people in the north and the south.
d. it fulfilled lincoln's election promise to end slavery in the united states.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

agree with wilson that weakening the treaty would threaten world peace.