0 in:which—case—the— provisions of Section 20 shall prevail may, iri_ordee-td proteet the interests and reasonabl'' expected profits and bargain-of Leasoi, 'pursue and enforce, . successively and/or concurrently, any one or.more of the following remedies:— • rri•••4215Zi‘tille94204C••••Ci".."4:"e.iti