By definition the difference between a confederation and a federation is that the membership of the member states in a confederation is voluntary, while the membership in a federation is not. Sometimes confederation is erroneously used in the place of federation. Hope this helps,
<u>Answer</u>:
The common thing between these three types of activities is that they form a production chain giving customers the provision of finished goods or services.
Primary production involves acquirement of raw materials for production like coal, metal, rubber tapping etc.
Secondary production involves manufacturing and assembly process that involves the use of such raw materials.
Tertiary production involves commercial services that support the production and distribution process.
All the processes occur in line with each other, where the working of one is essential for the other.
1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
They were laws in the early history of the American south which legalized the segregation between blacks and whites.
Ok thank you for a quick quick ride today