Why did the construction of the Panama Canal prove to be a difficult endeavor? Group of answer choices

The United States was preoccupied with World War I.

The United States was unable to gain control in the region.

Workers had to combat deadly tropical diseases.

Workers were provided with obsolete construction tools.

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.