Is this a question or an answer to a question
Answer:
industrialization, urbanization, immigration, and political corruption
Explanation:
European colonization had both positive and negative impacts on Native Americans.
Positive
One of the positive elements of European colonization was the introduction of new crops from Europe to Native American tribes. Thanks to the Columbian Exchange, Native Americans had the ability to gain resources such as pig, sheep, cows, and bananas.
Negative
One of the negative elements of European colonization was the decimation of the Native American population. When Europeans came to North America, they brought over diseases that Native American tribes had never encountered. This negatively effected them, as they had no immunity to these diseases. This resulted in the deaths of millions of Native Americans throughout the 16th and 17th centuries.
The Crusades & the Inventing of the printing press. Additionally, the population losses sustained in Europe.
Ditches were dug either side of the road to allow for drainage. Roman roads tended to be built higher than the level of earth around them – this, again, helped drainage. The bulk of the actual building was done by Roman soldiers. By doing this, the Romans could rely on the gained expertise of the soldiers.