Principles of Preserving Wealth The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Here are three tips. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.