[18] _Ibid._, pp. 937-9. Certain financial arrangements secured this concession. [19] _Ibid._, pp. 939-75 [20] _Amer. State Papers, Foreign_, III. No. 271, pp. 735-48; _U.S. Treaties and Conventions_ (ed. 1889), p. 405. [21] This was inserted in the Treaty of Paris, Nov. 20, 1815: _British and Foreign State Papers_, 1815-6, p. 292. [22] _Ibid._, 1816-7, pp. 33-74 (English version, 1823-4, p. 702 ff.). [23] Cf. _Ibid._, 1817-8, p. 125 ff. [24] This was the first meeting of the London ministers of the powers according to agreement; they assembled Dec. 4, 1817, and finally called a meeting of plenipotentiaries on the question of suppression at Aix-la-Chapelle, beginning Oct. 24, 1818. Among those present were Metternich, Richelieu, Wellington, Castlereagh, Hardenberg, Bernstorff, Nesselrode, and Capodistrias. Castlereagh made two propositions: 1. That the five powers join in urging Portugal and Brazil to abolish the trade May 20, 1820; 2. That the powers adopt the principle of a mutual qualified Right of Search. Cf. _British and Foreign State Papers_, 1818-9, pp. 21-88; _Amer. State Papers, Foreign_, V. No. 346, pp. 113-122. [25] For cases, see _1 Acton_, 240, the "Amedie," and _1 Dodson_, 81, the "Fortuna;" quoted in U.S. Reports, _10 Wheaton_, 66. [26] Cf. the case of the French ship "Le Louis": _2 Dodson_, 238; and also the case of the "San Juan Nepomuceno": _1 Haggard_, 267. [27] _British and Foreign State Papers_, 1819-20, pp. 375-9; also pp. 220-2. [28] _Ibid._, 1820-21, pp. 395-6. [29] _House Doc._, 14 Cong. 2 sess. II. No. 77. [30] _Annals of Cong._, 15 Cong. 1 sess. pp. 71, 73-78, 94-109. The motion was opposed largely by Southern members, and passed by a vote of 17 to 16. [31] One was reported, May 9, 1820, by Mercer's committee, and passed May 12: _House Journal_, 16 Cong. 1 sess. pp. 497, 518, 520, 526; _Annals of Cong._, 16 Cong. 1 sess. pp. 697-9. A similar resolution passed the House next session, and a committee reported in favor of the Right of Search: _Ibid._, 16 Cong. 2 sess. pp. 1064-71. Cf. _Ibid._, pp. 476, 743, 865, 1469. [32] _British and Foreign State Papers_, 1820-21, pp. 397-400. [33] _British and Foreign State Papers_, 1822-3, pp. 94-110. [34] _House Reports_, 17 Cong. 1 sess. II. No. 92. [35] _House Journal_, 17 Cong. 2 sess. pp. 212, 280; _Annals of Cong._, 17 Cong. 2 sess. pp. 922, 1147-1155. [36] _British and Foreign State Papers_, 1823-4, pp. 409-21; 1824-5, pp. 828-47; _Amer. State Papers, Foreign_, V. No. 371, pp. 333-7. [37] _Ibid._ [38] _Ibid._, No. 374, p. 344 ff., No. 379, pp. 360-2.