What did president johnson announce to the American people during his televised address on March 31, 1968 select all that apply

Why was the the superficial prosperity in the 1920s

Before the civil war, the constitution protected slavery -true -false

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste