The government can stop a public protest of its policies if (A) The demonstrators face counter demonstrators
(B) The protest is on public property
(C) The protest is unpopular
(D) The demonstrators endanger public safety

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.