hi! always room for more discussion, but fyi, you'll find some info in these posts. The first two have been archived by now, so if you have follow-up questions, ask them here & mention the relevant user's username to notify them

• Why did Reagan direct his famous quote, "Mr. Gorbachev, tear down this wall!", to Gorbachev? - featuring /u/restricteddata

• Why did Ronald Reagan say, "Mr. Gorbachev, tear down this wall" if the wall was in Germany, and Gorbachev was the President of different country. - featuring /u/lazespud2

• How much did Reagan actually have to do with the fall of the Berlin Wall? - featuring /u/cavetroglodyt