By what percentage did u. s. total factor productivity grow between 1960 and 1970? between 1970 and 1980? between 1980 and 1990? between 1990 and 2000? between 2000 and 2010? b. what happened to the marginal product

Which events are correlated but do not necessarily have a causal relationship?

Plz which of the following statements about the fugitive slave act of 1850 is not accurate? a. marshals you refuse to arrest a suspected fugitive could be find $1000. b. slave owners had to present evidence an african-american in the north was a fugitive slave. c. any person who provided food or shelter to a fugitive slave could be find $1000 and placed in jail for six months. d. it required of federal marshals to arrest any african-american suspected of being a runaway slave.

What is george calvert's american colony