How did Britain’s blockade affect Germany’s war plans? It helped Germany gain control of important waterways and ports in Europe.
It helped Germany gain control of important waterways and ports in Europe.
It forced Germany to shift its focus from fighting the war to producing food and supplies. It allowed Germany to focus its attention on the western front.

d.

the northwest territory became the most densely populated area in the u.s.

the answer is a. apartheid.

so, based on the research i've done. the u.s. government were always on a wild goose chase just to take down castro. he then retired his trone to his brother raul in 2008 due to some health issues. so it's obvious your answer would be:

castro had no allies from which he could receive aid.

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                                                    -wolfiewolffromsketch