The major advancement in mathematics in the Arab empires were algebra, there were also early forms of geometry, decimal place values and even fractions.
Answer:
it conquered the land of other countries
Explanation:
Don’t about establishes but Levies taxes: legislative
The correct answer is Germany declared unrestricted submarine warfare against all ships.
What this means is that Germany claimed control of the seas and oceans and if anyone opposed it they would attack it with their submarines. The US joined the war 2 months later.
The British blockade hurt the colonies greatly in Massachusetts because they could<span> not receive or ship goods that they needed, which hurt their economy. </span>