When did martin luther king, jr. deliver his famous "i have a dream" speech?

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.

What are contributions made by francis bacon

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?