What was the result of crop rotation

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

Which of the following statements about the fugitive slave act of 1850 is not accurate. a. marshals who refused to arrest a suspected fugitive could be fined $1,000. b. slave owners had to present evidence that 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 all federal marshals to arrest any african-american suspected of being a runaway slave.

Compare nicolson's written account with the visual representation in the painting on page 741 of your textbook. what are some of the similarities? what are some of the differences?