What animal did the Mongols rely on to help them create the largest land empire in history?

what the question i might be able to

the answer is aggresion hope this and mark me as brainiest and add me as friend

the answer is a. hope this

nationalization is the set of dispositions and operations by means of which the state assumes, in varied form, the administration of private companies, of groups of companies or of the totality of certain economic sectors previously managed by individuals, such as the land portions. nationalization is the opposite of privatization. it is also called nationalization of the means of production, although a nationalized company can be previously both national and foreign ownership. nationalization or nationalization is a very characteristic action of ideologies such as socialism and nationalism.