In maritime navigation, what did the astrolabe determine?

Iwill be giving 15 points to whoever answers the concept of checks and balances means that each branch of governmenta. has its own powers and responsibilitiesb. is clearly described in articles of the constitutionc. has the ability to correct the other branches in case of an errord. is set up so that in case of constitutional crisis, the governement will continue to operate

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

“i now wished for the last friend,death, to relieve me.” what is equiano referring to?