Why did some nations establish spheres of influence in the late 1800s?

Some nations establish spheres of influence in the late 1800s because of the fact that they are likely to guarantee the specific trading privileges that are to be applied in terms of foreign lands. Spheres of influence is being defined as having an organization to accommodate the interest of powers that are outside of the borders in which having trading privileges to foreign lands accommodates those with the interest of power.

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.