create salesforce campaign member statuses

insertCampaignMemberStatuses

// change the campaign id and status to the correct values

Campaign campaign = [SELECT Id FROM Campaign WHERE Id = 'ENTER THE CAMPAIGN ID' LIMIT 1];
List<CampaignMemberStatus> newStatusesToInsert = new List<CampaignMemberStatus>();
List<String> statuses = new List<String>{'Ideal User', 'MQL', 'Assigned', 'Touched', 'Disqualified', 'Clicked', 'Demoed', 'Opportunity', 'Won'};
for (String status: statuses) {
    system.debug(status);
    CampaignMemberStatus newStatus = new CampaignMemberStatus ();
    newStatus.Label = status;
    newStatus.CampaignId = campaign.Id;
    newStatus.HasResponded = true;
    newStatusesToInsert.add(newStatus);
}
Database.SaveResult[] results = Database.insert(newStatusesToInsert, true);