What was the grand canal built to connect?

What lands were added to the russian empire under ivan iv, peter the great, and catherine the great?

Which of the following statements about this graph is accurate? world grain production has increased in every year since 1950. the amount of grain grown between 1950 and 1980 decreased. world grain production has generally increased between 1950 and 2010. more grain was grown in 1950 than in any other year.

Interest groups are protected by the first amendment guarantees of petition and what other freedom?