A topographic map shows two locations, X and Y, 0.5 miles apart. From the contour lines, the elevation of X is 800 feet and Y is 750 feet. What is the gradient between the
two locations?

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion