Tanımadığımız insanlara yardım etmelimiyiz ?

We should help people we don't know ?

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

Write a sentence with valiant and steadfast

Does the amount of material present affect its intensive or extensive properties? explain.