The modern estate tax dates back to 1916 when it was imposed at a rate of 10{b2882cad84bd77ee25ab8b8b9d1b0566021dcc5c7d8a30d0e639a0635fa20cc0} on the portion of estates above $50,000. Over the following years, the rates and exemption amounts varied, reaching a high of 77{b2882cad84bd77ee25ab8b8b9d1b0566021dcc5c7d8a30d0e639a0635fa20cc0} with a $60,000 exemption amount from...