____ allow common stockholders to maintain their proportionate share of ownership.

A) Preemptive Rights
B) Cumulative Voting
C) Proxy Fights
D) Indenture Agreements

Preemptive Rights

The right of existing shareholders to maintain their fractional ownership of a company by buying a proportional number of shares of any future issue of common stock.

Proportionate Share

An individual's or entity's fair or equitable share of something, such as profits, losses, or ownership, based on their contribution or stake.