The diagram below shows development in the late 19th century

a countries leader should be motivated by the common good of the country.

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.

the correct answer would in fact be b. (: