Which communist party secretary initiated a new era of openness in the ussr?

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

In the 1980s, more russians worked to encourage change in the government by a) establishing a new political system. b) rallying for democratic reforms. c) supporting the democratic system. d) resisting gorbachev’s reforms.

Business people who received land grants to recruit new settlers to the area were known by what term