Initial leading members included John Smith, Roy Hattersley, Peter Shore, Ken Woolmer, and Austin Mitchell, and over 100 Labour MPs attended its launch meeting.
[1] The campaign successfully enabled the close re-election of Denis Healey as Labour's deputy leader.
It campaigned on the issue of "one member, one vote" for the constituency section for elections of the Labour leadership, achieved after its dissolution.
After the 1987 United Kingdom general election, it became clear that Labour Solidarity's direct influence in parliament had weakened and that its supporters would need to work with the moderating Kinnockite soft-left to pursue their objectives.
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