[4] However, his government failed to serve a full term after being forced to resign following a motion of no confidence in November 1923.

Further instability resulted in seven different governments holding office in the subsequent period until the 1925 elections.

[4] In July 1925, a group of left-wing members of the Democratic Party joined the opposition and voted in favour of a motion of no confidence in António Maria da Silva's government.

Before 1924, they attempted to exert political power indirectly, by influencing the government and its economic policies.

After 1924, they form the Union of Economic Interests (UEI) as an attempt to exert political power directly.