On january 1, 1863, abraham lincoln's signed the emancipation proclamation, which
a. freed some slaves but exempted those in areas under union control.
b. freed all the slaves in the united states, "henceforth and forever more."
c. freed the slaves in the border states of missouri, kentucky, maryland, and delaware.
d. freed the slaves only in areas controlled by union forces.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

then your answer is a

hoped that