Drag word$($s$)$ below to fill in the blank$($s$)$ in the passage.

The "Oregon Plan" was an effort to restore which included the ability to initiate legislation and a referendum where legislation could be voted on by

voter's ${?}^{**}$ railroad corporations ${?}^{+}$banks ${?}^{+4}$ grassroots democracy ${?}^{**}$

lobbyists ${?}^{**}$

the Solid South ${?}^4$

the electoral college ${?}^{**}$

popular vote