What term was used to describe the tough divide between free and slave states by the mid-1800s?

a. the lincoln-douglas line
b. the cotton curtain
c. the slavery line
d. the mason-dixon line

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

Read the message below from the russian tsar to his cousin, the german kaiser.“an ignoble [not noble] war has been declared to a weak country. the indignation [outrage] in russia shared fully by me is enormous. i foresee that very soon i shall be overwhelmed by the pressure forced upon me and be forced to take extreme measures which will lead to war. to try and avoid such a calamity as a european war i beg you in the name of our old friendship to do what you can to stop your allies from going too far.”- telegram from tsar nicholas ii to german kaiser wilhelm ii, 1914which of the following best describes the tsar’s message? he worries that the coming war will be blamed on russia. he believes that warfare is immoral. he complains about the pressures he is facing from britain for war. he fears russia will be forced into war by forces outside his control

What limits do the gospels have as a historical source