Native American customs were being outlawed by state governments in the United States.
Flint was used to make some tools and weapons.
The correct answer is benchmarking
Benchmarking is an in-depth strategic analysis of the best practices used by companies in the same sector as yours. Benchmarking which means 'reference', and is an essential management tool for the improvement of processes, products and services.
Ottoman Empire: 3
Holocaust: 4
Zionism: 2
Anti-Semitism: 1