The Virginia Plan (also known as the Randolph Plan, after its sponsor, or the Large-State Plan) was a proposal by Virginia delegates for a bicameral legislative branch. The plan was drafted by James Madison<span> while he waited for a quorum to assemble at the Constitutional Convention of 1787.</span>
Not sure if this is the answer your looking for but one could be They reacted to it harshly, and were suspicious of all immigrants that came to American from a communist country