Mu myaka yashize, kubungabunga amazi ya Dayu byakurikiraniraga hafi politiki y’igihugu “Umukandara umwe, Umuhanda umwe”, kandi ugahora ushakisha ibitekerezo bishya hamwe n’uburyo bushya bwo “gusohoka” no “kuzana”, kandi hashyirwaho ikigo cy’ikoranabuhanga cya Amerika cyo kuzigama amazi cya Dayu kandi Isiraheli ikiza amazi ya Dayu.Isosiyete hamwe n’ikigo cy’ubushakashatsi n’iterambere bya Isiraheli bihuza umutungo w’isi kandi bikamenya iterambere ryihuse ry’ubucuruzi mpuzamahanga.
Ibicuruzwa na serivisi bya Tyu bizigama amazi bikubiyemo ibihugu n'uturere birenga 50 ku isi, cyane cyane nka Tayilande, Indoneziya, Vietnam, Ubuhinde, Pakisitani, Mongoliya, Uzubekisitani, Uburusiya, Afurika y'Epfo, Zimbabwe, Tanzaniya, Etiyopiya, Sudani, Misiri, Tuniziya , Alijeriya, Nijeriya, Bénin, Togo, Senegali, Mali, Mexico, Ecuador, Amerika n'ibindi bihugu n'uturere.Usibye ubucuruzi rusange, kubungabunga amazi manini y’ubuhinzi, kuhira imyaka mu buhinzi, gutanga amazi mu mijyi n’indi mishinga yuzuye hamwe n’imishinga ihuriweho na byo byateye intambwe igaragara, buhoro buhoro hashyirwaho ingamba zifatika ku isi mu bucuruzi bwo mu mahanga.
Ishami ry’ubucuruzi mpuzamahanga rya Dayu ryakoresheje uburyo butandukanye bwubucuruzi kandi bugira uruhare runini mu kubaka imishinga y’ubuhanga bw’amahanga.Imishinga y'ingenzi yitabiriye harimo: Umushinga wo guteza imbere amasoko yo mu mujyi wa Benin, Umushinga wo Kuhira Isukari yo muri Jamayike, Umushinga wo Kuhira Imirasire y'Abahinde, Umushinga wo kuhira imyaka mu Buhinde, umushinga wo guhuza amazi mu buhinzi no kuhira imyaka, umushinga wo kuhira imyaka muri Uzubekisitani, umushinga wo kuhira ibitonyanga bya kantaloupe muri Indoneziya, hamwe na pecan yo guhuza ibikorwa byo kuhira muri Afrika yepfo, nibindi.