Match the Time with the Appropriate Event

Match the time with the appropriate event. (Time periods may be used more than once:
-Private health insurance such as Blue Cross/Blue Shield (BCBS) emerged.

A) 1848
B) 1880s
C) 1900-1917
D) 1917
E) 1920s
F) 1929-1939
G) 1932
H) 1939
I) 1939-1945
J) 1946-1952
K) 1950s
L) 1968-1978
M) 1980-1992
N) Early 1990s
O) 1996
P) 2010