A conspiracy formed and in-tended directly or indirectly to prevent the carrying on of any lawful business, or to injure the business of any one by wrongfully preventing those who would be customers from buying anything from or employing the representatives of said business, by threats, intimidation, or other forcible means. Gray v. Building Trades Councll, 91 Minn. 171, 97 N. W. 663, 63 L. R. A. 753, 103 Am. St. Rep. 477; State v. Gliddeu, 55 Conn. 46, 8 Atl. 890, 3 Am. SL Rep. 23; In re Crump, 84 Va