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? Name Email Address Question Thank you! Oops! Related Content 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. 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.