Armenia and Azerbaijan peace deal expected to end decades of conflict, open key transportation corridors, and boost regional economy.

Armenia and Azerbaijan may come historically close to signing a peace deal -- or at least announcing one -- when their leaders are hosted by US President Donald Trump in the White House later this week.

Armenia and Azerbaijan are set to sign a landmark U.S.-backed peace agreement at the White House, potentially ending decades of conflict and opening a key transit corridor across the South Caucasus.