Assuming you're referring to the same time period as before, compared with the rest of Europe, northern Italy had many "trading routes" that stretched far beyond the confines of the country itself.
Answer:
It gave the Union army control of the Mississippi River
Explanation:
they would fight for the inetertainment of people and they would not get hurt either
Answer: emigration or increase in death rate
Explanation:
Many factors can modify the animal population in a specific area.
Amphibian populations are affected mostly by changes in temperatures, altered dry season rainfall, and modified leaf litter depth.
Considering the options provided, only emigration and an increase in death rate could explain the decrease of the frog population.
Immigration and an increased birth rate would result in the population growing, not decreasing.
All of the above is the answer