All of the following are true regarding the March on Washington, EXCEPT 1) Dr. King delivered his "I Have a Dream” speech at the march
2) It was designed in part to show support for the Civil Rights Act
3)
President Kennedy had to send federal troops in to stop the violence and
rioting during the march
O4) Large interracial crowds gathered to participate

your answer would be (a)

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

is this question from a book? ?

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.