Just look up the different classes of the aztecs and say something like... The slave class was when you are given no rights but the responsibility of doing the hard labor.
The answer is <span>the magnetic compass and gunpowder.
The magnetic compass and gunpowder were first developed under the rule of Chinese dynasties.
In fact, the compass and gunpowder were identified as part of the FOUR GREAT INVENTIONS OF CHINA. The other two were paper making and printing.
The magnetic compass was greatly used throughout Chinese history. They would use a magnetic needle that would be place floating in bowl of water. The magnetic needle was called "</span><span>"south-pointing fish" because it aligns itself to the south.
</span>
The gunpowder was discovered in the 9th century but its explosive potential was perfected in mid-14th century.
Chicago cause everything there is Fugging awesome !
Correct answer choice is :
<h2>D) Differences in culture and language.</h2><h2 /><h3>Explanation:</h3><h3 />
Among 1870 and 1900, the largest number of immigrants resumed coming from northern and western Europe including Great Britain, Ireland, and Scandinavia. But new immigrants from southern and eastern Europe were growing one of the most influential powers in American life. Many had to overcome language obstacles. Others found that the hurdles they had left from, such as poverty or religious oppression, were to be faced in America as well.