<span>Advancements in navigation. The Gupta Empire were very advanced in the fields of technology, science and art. The scholar Aryabhatta calculated that a solar </span>year was 365.358, <span>he also calculated </span>pi<span> to the fourth decimal place at a </span>value of 3.1416. <span>Kings in the </span>Gupta empire<span> owned huge copper, gold, and iron mines, and made advancements in metalworking. </span>
For the answer to the question above, the purpose of this policy was to maintain neutrality between the United States and European countries while giving aid to Britain by allowing them to buy non-war materials. So my answer is B. <span>were designed to supply Great Britain and other Allied nations with war materiel.
I hope this helps</span>
