The diversity of birds helps them survive by the differences in their beaks the different shapes and sizes means they all eat different food therefore that is not an issue. Different coloration is not an issue due to the species separating from each other. The diversity keeps the birds alive by signifying differences.
Hope this helps!
Answer:
War, religious persecution, Economic crash
Explanation:
The Irish Migration was largely due to religious persecution and economic decline. War could easily cause a migration for fear of personal safety, we have seen an increase in immigrants from Central America and Syria in recent years. Religious freedom is partially what the US was founded on, it continues to be a life or death issue under ISIS and other organization who use religion as an excuse for violence. Economic crash leads to movement based on new opportunities.
"<span>Education focused on teaching children practical matters for use in life" would be the best option from the list, since the purpose of many educational movements during this time was to make education more "practical". </span>
During Hoover's administration, the stock market collapsed. This was such a huge deal because people were borrowing money from the banks and putting in stock market. When the collapse occurred people were unable to repay the banks the money they took out, the banks failed.
enforcing laws on the what? You didn't finish your question.
