HELP When was Czechoslovakia broken up into two countries?

1948
1980
1992
1946

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

What was v-e day? a. victory in england day b. victory in europe day c. victory in japan day d. victory every day

After the 9/11 attacks, the united states launched a military offensive against the taliban government in a) iraq b) egypt c) afghanistan d) kuwait