Self sufficiency of Medival Europe helped to promote Medieval Europe's "Dark Age" because:

A
it slowed trade, travel and the sharing of ideas

B
it encouraged people to challenge religious ideas

C
it led to the mass production of books

D
it kept the serfs bound to their lord's land

The myth of the Middle Ages as a “dark age” does not lie in the fact ... With long-distance trade at a low ebb, European farmers had to be far more self-sufficient, and ... These false ideas are still current partly because historians have only ... Reprints; Advertise: Site / Podcasts · Commenting · Podcast FAQs ...

Explanation:

there is no photo, therefore i can not answer your question.

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.