Which is not a major form of technological advancement? improved methods based on scientific study labor-saving devices the application of new scientific knowledge to production techniques labor unions

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

what are the options ?

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.

it was the first major victory for the colonists.