text: 51 ' At the safte time, nationals of the united states were prohibited from takingpart in financial transaclions in whictl Cuba or Cuban citizens participated. TheseRegulations apply to the assets of cuban private citizens in the united states, rrh ich have been frozen. 52. one fundamentar aspect has been the above-mentioned prohibition on the use ofthe United States dollar in financial transactions of any kind carried out byCuba. fn othe rrords, Cubars assets or those of the clients of Cuban entities runthe risk of being Erozen. p/ 53. rn addition, the Regulations established restrrclions on the flow of creditgand payments between individuals and cuba or between foreign enlities and cuba,thus reinforcing the stifling effect of the leglstatlon. g/ 54. Another continuing effect has been to render it impossibte to engage intransactions eith banks and financial bodies rocaled in the united states,According to the united states Department of commerce, the credits and quaranteesof the Export-Inport Bank (EXIMBANK) and the Commodity Credit Corporation can beextended to cuba only if the president of the united stales considers such actionto be in the national interest and if cuba is cooprying lrith the provi.sions of the1974 Trade Act (seccions 402 and 403) as regards various aspects of its emigrationpol icy . 55. The Johnson Act prohibited united states citizens from maklng loans to cuba orpurchasing bonds issued by cuba and estabrished that, in international bodies,united staes.delegations could not vote in favour of multilaterar assislance toCuba. d/ 56' The 1954 Agriculturar Trade Devlopment and Asslstance Act, as amended in l9?0,provides that cuba shall not be eligib!.e to purchase agricultural comnoditi.esthrough loans from the Commodity Credit Corporation. in dollars or anv othercur r ency .
analysis: The text primarily discusses the economic sanctions imposed by the United States on Cuba, including restrictions on financial transactions, credit, and payments. It highlights the effects of these sanctions on Cuba's economy, trade, and financial activities. Given the focus on economic policies and restrictions, it is likely that the text falls under the category of international trade.