Pleeeas plz me i give !and i give more points ! directions match the names in the first column with the invention or development with which they are associated from the second column by placing the letter of the correct definition in the space provided before each term. 1. samuel f. b. morse      a. developed the mechanical reaper 2. john deere      b. improved and marketed the sewing machine 3. isaac singer      c. developed morse code 4. cyrus mccormick    d. perfected the telegraph 5. alfred lewis vale      e. invented the sewing machine 6. elias how      f. designed a steel plow