Helping verb!! Because it’s trying to help you describe the sentence
It was because of the tension between american colonies and brittish colonies
There are three main components needed to make a complete circuit. First, a power source is need, such as a battery. Next, you will need something that will take in the power. This can be anything like a heating coil, or light bulb, etc. Then you need the wiring that will connect to the object and receive power.
Riis led to the formation of tenement housing commission and also led to the formation of tenement housing board to solve problems like crowding, small houses, no access to sanitation.
<u>Explanation:</u>
Tenement housing was a necessary for the people living in that area in the United States of America because the houses they were living in originally were in very bad conditions and did not have much facilities like sanitation, light, air and so on. They were very very small in sizes leading to the suffocation of the people living in those houses.
With the formation of tenement housing commission by Riis, there were provisions made for building up of the tenement housing. With these houses, the problem of crowding of those people would have ended and the tenement houses also had the facilities of light and air. There was also access to sanitation.
