The one that correctly combines the two sentences into a complex sentence is : C. although flash mobs have been happening since 2003, lately, they have become a trend
In combining two sentences together, 'although' played a role as a word that connected two occurrence that is not expected to happen
hope this helps
Most social welfare programs are intrinsically distributive in nature. Indeed, welfare means social support for the citizens. It is mainly provided by the government from tax revenues, which is then distributed.
Answer:Make laws, Declare war, impeach and try federal officers, approve presidential appointments, approve treaties from the executive branch, Raise and provide public money and oversee its proper expenditure, Oversight and investigations, initiate revenue bills