Can someone please help me with this (whats the central idea for each of these phrases)

"But familiarity does not breed contempt. It’s the other way around: As Americans become more familiar with immigrants, they accept them.”

“People from Asia have overtaken people from Latin America.”

“I brought everyone here, and we have provided valuable service to this country.”

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.