Section, act Mar. 28, 1918, ch. 28, § 1, 40 Stat. 460, authorized acquisition of property on Hudson River owned by North German Lloyd Dock Company and Hamburg-American Line Terminal & Navigation Company and provided that section 175 of this title did not apply to expenditures authorized in connection with such property. The President, by proclamation dated June 28, 1918, took possession of such property.