I guess (c) the attack on pear harbor
I’m not writing a four paragraph essay but I will give u an idea. The golden age and Han China were similar because they influenced the society positively. People gained a lot from the golden age.
The large presence of African slaves.
I think that Hitler saw in Austria the chance to increase the number of loyal, German soldiers - Austrians speak German and are culturally similar so it was easy to include them into the German army and so quickly acquire a great number of loyal soldiers who spoke the language and shared the culture with the Germans.
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The answer is b)to train ministers