The caused great difficulty in fighting in vietnam.

The jungle terrain and bad weather made it difficult for the American forces fighting in Vietnam. This is because it allowed the Vietcong to successfully use guerrilla warfare strategies and to lay traps. Later, tunnels were found under the jungles which helped them avoid bombs

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

you answered my friends question just to get the coins you didn't even give a valid response.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.