What condition caused the efforts to modernize the soviet union in 1980s and 1990s

How does a comet change when it comes close to the sun

The venn diagram below shows some services provided by state and local governments. the answer choices are (1) - creating a police force, (2) - regulating taxicabs, (3) - regulating savings banks, (4) - issuing driver licenses.

Me and youin the summer of 1804, after meeting native americans for the first time, lewis and clark reached the eastern edge of