How where the goverments of the dominion of canada and great britain similar

How does the battle of midway illustrate the importance of intelligence gathering and espionage in modern warfare?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?