Answer:
Living conditions in many of the city's tenements did endanger the health of residents. ... of the ideas that would influence the emerging field of public health. ... De Wolf's methods for preventing the spread of contagious disease ... of recently arrived Polish, Greek, Italian, and Eastern European families.
Answer: A - Terracing crop
Explanation: Terracing crop is a soil conservation strategy of growing crops on hill side by planting crops on graduated terraces perpendicular to the slope of the land . This method is useful in reducing soil erosion.
Congress or the legislative branch has the power to collect taxes (power of the purse).
I think that the TTIP (Transatlantic Trade and Investment Partnership ) is a prime example of this, and some example of media failing to report on it are the media in the US, UK, Norway, Germany and Spain.
The TTIP is a trade agreement which will very much change the nature of trade, the quality of the products and personal freedom in the countries, yet, it's hidden both by the Media and by the governments.