Answer:
In 1977
Explanation:
In 1977, the U.S. Government banned the use of asbestos in ceiling finishes, and most ceilings installed after this date will not contain asbestos.
The Berlin Blockade was an attempt in 1948 by the Soviet Union to limit the ability of the United States, Great Britain and France to travel to their sectors of Berlin, which lay within Russian-occupied East Germany.
Traps of crossbows poised to fire on the intruders is the answer
B) helped create the strong, individualistic American spirit
