Cuba's prime minister on Thursday presented lawmakers with sweeping reforms backed by the Communist Party and former leader Raúl Castro that would privatize a vast swath of its socialist economy in a bid to survive punishing U.S. sanctions.

Cuba's powerful ex-president Raul Castro on Wednesday threw his weight behind liberal reforms aimed at reviving the collapsing economy in the face of a crippling US blockade.

Des réformes visant à ouvrir davantage de secteurs à l’investissement privé, à attirer plus de capitaux des Cubains de l’étranger et à réduire la taille de l’Etat ont été…