1. I think you should spend more time going over the review and summing-up process/processes - Either is possible. If you think of 'review & summing-up' as a single process, use the singular noun; if you think of them as two, use the plural.
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AnonymousHere, you will learn a Biblical and historical foundationA house normally has only one foundation. Within a given field, a person has only one foundation. It is his foundation. It may draw its strength from more than one area.