D) Lord cornwallis to george washington succesfull seige in yorktown
I believe that would b B. The British closed down the Boston harbor completely
The Fugitive slave Act said that any black, with out without papers could be claimed my a slaveowner and forced by into slavery. And any person knowing the whereabouts of a runaway had to report them. This was hard because no matter how far North a slave escaped, they were never truly safe
It failed because either the change did not work well in many business settings, or it was inefficient (due to the inefficiency of the conveyer-belt system). A more accurate reason is that the circuits couldn't handle the traffic during peak hour. The customer's orders were regularly mixed up. The conveyer-belt system was not fast enough or efficient enough to handle it.
Answer: fights over leadership between black and white activists
Explanation: