I could be wrong but:
1: revise the Treaty of Versailles.
2: unite all German-speaking people into one Reich.
3: expand eastwards to achieve Lebensraum.
<em>Because of this mistaken belief, Young put roadblocks in his own path. However, he had laid a solid groundwork for others in their attempts to decipher the hieroglyphs.</em> Based on this excerpt James Cross Giblin believes Young made valuable contributions to future researchers’ attempts to decipher the hieroglyphs. He explicitly says that he <em>laid solid groundwork </em>meaning his contributions paved the way for the ones coming behind.
The fact that he may have made mistakes in his own path does not overshadow his previous work.
it would be false because the main sources are provided from the sea especially in western Europe where they eat a lot of sea food.