Which sequence is correct for these events?

1. pilgrims land at plymouth.
2. fighting begins at lexington and concord.
3. spanish conquest destroys mesoamerican civilizations.
4. james madison and others write a new plan for government.

a.
1, 2, 3, 4,

b.
3, 1, 2, 4

c.
4, 1, 3, 2

d.
2, 4, 1, 3