In Late 2002, a Euro Equated to $1

In late 2002, a euro equated to $1.00 of U.S. currency. In late 2007, a euro equated to $1.49. This indicates that:

A) the value of the U.S. dollar weakened relative to the euro.
B) the value of the U.S. dollar strengthened relative to the euro.
C) the values of both the currencies remained the same in their respective places of usage.
D) the U.S. dollar and the euro are losing the ability to be exchanged.