The Socialist Party of North America was a political party founded in 1911, and the first in North America to adopt the Object and Declaration of Principles of the Socialist Party of Great Britain

Socialist Party of Great Britain

The Socialist Party of Great Britain , is a small Marxist political party within the impossibilist tradition. It is best known for its advocacy of using the ballot box for revolutionary purposes; opposition to reformism; and its early adoption of the theory of state capitalism to describe the...

. The party was formed when the Toronto

Toronto

Toronto is the provincial capital of Ontario and the largest city in Canada. It is located in Southern Ontario on the northwestern shore of Lake Ontario. A relatively modern city, Toronto's history dates back to the late-18th century, when its land was first purchased by the British monarchy from...

 local of the Socialist Party of Canada

Socialist Party of Canada

There have been two different but related political parties in Canada that called themselves the Socialist Party of Canada . The current Socialist Party is an electorally inactive and unregistered federal political party in Canada...

 seceded in protest over that party's reformism

Reformism

Reformism is the belief that gradual democratic changes in a society can ultimately change a society's fundamental economic relations and political structures...

. Its members had been influenced by Moses Baritz, a Socialist Party of Great Britain

Socialist Party of Great Britain

The Socialist Party of Great Britain , is a small Marxist political party within the impossibilist tradition. It is best known for its advocacy of using the ballot box for revolutionary purposes; opposition to reformism; and its early adoption of the theory of state capitalism to describe the...

member resident in Toronto.

The Socialist Party of North America survived for a few years, but failed to grow, and the Party was eventually dissolved. Many of its members rejoined the Socialist Party of Canada.