What items were dropped to the people of Berlin

The Berlin Blockade (24 June 1948 – 12 May 1949) was one of the first major international ... The Soviets offered to drop the blockade if the Western Allies withdrew the newly introduced Deutsche Mark from West Berlin. The Western ... Berlin's citizens overwhelmingly elected non-Communist members to its city government.

Explanation:

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

b. the 200th birthday of the united states