In reality, all world economies can be classified as economies command market mixed traditional

In reality, all world economies can be classified as (Mixed) economies

The correct option is: "Mixed"

There is no single definition of what a mixed economy, however  There is a consensus on some of its characteristics: it is a system  economic that incorporates elements of more than a single economic model;  in political-economic practice, this means a system that presents  elements of both capitalism and socialism, for example, both  private property as community or social property (generally  State) or seeks to combine elements of the free market with elements of  state control over the economy.

well this isn't a question but if you are asking if it is true or false it is, true.

d - failures.

the only attempted british colony in north america before 1600 was roanoke, virginia, which was a total failure. england claimed several areas, including newfoundland, but made no sustainable attempts to colonize them before 1600.