Yes, it is true that the Federal Housing Authority insured loans for building and repairing homes, since this greatly increased consumer confidence in the housing market and economy in general.
The Pauline epistles, also known as Epistles of Paul or Letters of Paul, are the thirteen books of the New Testament attributed to Paul the Apostle, although the authorship of some is in dispute. Among these epistles are some of the earliest extant Christian documents
The Bismarckian system of alliances was a system of alliances between nations. Its purpose was to preserve peace and a status quo. It was successful until William the 2nd dismissed it. In general what really brought about WWI was the decisions that were made by European leaders that affected militarism and nationalism as well as the leaders desire to stifle internal decent.