States like Delaware, Connecticut, and New York opposed the Virginia Plan because they

disliked the Bill of Rights that was contained within the Virginia Plan.

Lab

wanted a central government based on confederation rather than the federation status suggested by the Virginia Plan.

wanted every plan for a new government to include a provision protecting the institution of slavery for at least $25$ years, and the Virginia Plan did not contain such a provision.

feared that large states would dominate the new government if representation were to be determined by population, as stipulated by the Virginia Plan.