Thousands marched in Buenos Aires to mark the 40th anniversary of the 1976 military coup, led by Estela de Carlotto and other activists. The event coincided with President Obama's visit, causing discontent due to perceived US support for the coup. Human rights groups reported 30,000 deaths, including pregnant women whose children were illegally adopted. Abuelas de Plaza de Mayo has recovered 119 of 500 stolen children.

What was the main reason for the march in Buenos Aires?

• To support a political candidate

• To protest against a new law

• To commemorate the anniversary of a military coup

• To celebrate a national holiday

Who was leading the protest in Buenos Aires?

• A group of students

• The President of Argentina

• Estela de Carlotto

• A famous musician

Why did Barack Obama's visit cause discontent among human rights organizations?

• He was supporting a new government policy

• He made a controversial speech

• He was visiting during a national holiday

• The U.S. had supported the military coup

How many dissidents were reported killed during the dictatorship?

• 30,000

• 40,000

• 20,000

• 10,000

How many grandchildren have been recovered by Abuelas de Plaza de Mayo?

• 500

• 119

• 200

• 50