Which nation did richard nixon normalize diplomatic relations with in 1970 as a way to end us involvement in vietnam

Somebody save the ! what was greek math and science also medicine

What was one of the accomplishments of the space shuttle that what was one of the accomplishments the space shuttle that facilitated communication and entertainment ?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.