20/40 vision means that the test subject sees at 20 feet what a normal person sees at 40 feet. Another way of saying this is that a person with 20/40 vision has vision that is only half as good as normal-or, objects must be at half the normal distance for him to see them.
Answered by The Community. Making the world better, one answer at a time. The term of the compromise 1850 was a group of five bills, passed September 1850, which defuse a four year confrontion between slave states of the south & free states of the north.nswered by The Community. Making the world better, one answer at a time. The term of the compromise 1850 was a group of five bills, passed September 1850, which defuse a four year confrontion between slave states of the south & free states of the north.
March 3, 1820: Missouri Compromise. The Missouri Compromise was the first major legislative compromise passed to settle the slavery issue by drawing a line between slave and free territory. Speaker of the House Henry Clay promoted the deal, which admitted Maine to the Union as a free state and Missouri as a slave state.arch 3, 1820: Missouri Compromise. The Missouri Compromise was the first major legislative compromise passed to settle the slavery issue by drawing a line between slave and free territory. Speaker of the House Henry Clay promoted the deal, which admitted Maine to the Union as a free state and Missouri as a slave state.