Emma is hoping to secure an internship with an engineering firm this summer. she's talked with friends and family, but they have not been able to provide her with any contacts. emma runs into her former aerobics instructor, whom she hasn't seen in several years, and her instructor offers to put her in contact with an engineering friend of hers. this is an example of what concept?

Strength of weak ties

Explanation:

The example given here is of the concept Strength of weak ties. A concept coined by Mark Granovettor , in which he refers to strong ties as friends, family , colleages and weak ties as your aqaintances in paper. Mark talks about the interpersonal relationships between different, disparate groups of people and how they hold different sections of society together.

El golpe militar pretendió evitar la posible victoria electoral del candidato aprista, Víctor Raúl Haya de la Torres, por sus ideales contra el imperialismo y su llamado a una revolución social continental para liberar al pueblo indoamericano de la opresión de la oligarquía.  

Explanation:

El golpe militar de 1962 se debió a intereses reformistas. El APRA había liderado las  más importantes protestas en el campo, lo cual llevó a que se lo catalogue como un movimiento terrorista.