Which statement is the best example of an effective claim? Elephants are on the endangered species list.
Poaching can be reduced by banning the sale of ivory.
Apes, snakes, and other animals are killed for their meat.
Law enforcement in some areas is not able to stop poaching.

Elephants are on the endangered species list.

Explanation: This is the most effective claim because it is the most supported.

from the conditions of the working class in england by friedrich engels,the main idea is :

the underground railroad (apocope of the metropolitan railroad) is a system of urban trains located within a city and its metropolitan area. it is characterized for being a massive transport of passengers in the big cities, uniting diverse zones and their environs, with high capacity and frequency and in segregated form to other systems of transport. metropolitan railroads are built underground or on the surface, although most systems use mixed models where sections are combined in both modalities.

1 - as a result, the metro tends to reduce car travel for two reasons: first, due to the greater transfer of users from the car and, second, due to the reduction in the acquisition of cars in homes located in sectors near the stations of the metro.

2 -the metro allows to contribute effectively to the achievement of all the objectives of an urban development policy: it improves the efficiency of the city's economy by reducing travel costs and also generates a higher level of activities in the city center, taking advantage of of the agglomeration economies.

3 -it is a clean means of transport, since it uses renewable energy (usually electricity), taking care of the environment and avoiding excessive pollution.