The Famous Violins Made by Antonio Stradavari in the Late

The famous violins made by Antonio Stradavari in the late 1600s may owe their superior acoustical properties to the dense wood grown during a 70-year global __________________.

A) warm spell called the Medieval Warm Period
B) warm spell called the Primary Greenhouse Warming
C) cold spell called the Maunder Minimum
D) cold spell called the Stradavari Minimum