Twenty years after the liberation from Ethiopia, Eritrea, Africa's youngest nation, has emerged as strategically vital to the stability of the region and the wider global agenda. Eritrea is struggling to balance the needs of its people with the perceived threats to the nation.Al Jazeera's Jane Dutton conducts a rare interview with Isaisas Afewerki, the president of Eritrea.Al Jazeera confronted him with the allegations about Eritrea's ties with Iran, Hamas, al Shabab in Somalia and rebel groups in Sudan and Houthis in Yemen."This is a deliberate distortion of facts, where is the evidence, these are fabrications, where is your evidence?", he said."How possibly could one blame Eritrea for sympathising or supporting one group over another in Somalia we have never done that." he said. When asked about Eritrea's relation with Ethiopia today and the border dispute he said: "This border issue war was a senseless conflict instigated by the US."It is a cover up for the failures of the misguided policies of the United States in the horn of Africa for the last 20 years."It is not a problem with Ethiopia we have worked with these people for almost two decades to remove a government in Ethiopia, and we want to see a relationship between Eritrea and Ethiopia based on mutual respect and common interest," he said."There is no presence for Iran in this region, Eritrea is not for sale, not for Iran, Israel, the United States or anybody," he said.

In Part two of this documentary the story of courage and persistence continues. Fatima Adam, one of the chibok girls abductees soldiers on past the trauma she under went at the hands of the boko haram.Bukky Shonibare fights on to have the rest of the chibok girls released. A story of courage and resilience.

The Sahel, home to over 100M people, marks the frontier where human habitation and agriculture meets the Sahara desert. Farmers here have been managing crops and livestock with scattered trees for generations creating the vast agroforestry parklands that dominates the landscapes. Indegineous trees here are essential to locals as they provide food,medicine, timber and climate regulation. For decades this area has had high climate change, desertification and worsening food insecurity. Recently widespread regreening has happened because farmers have encouraged the regeneration of young trees that grow naturally in their fields, a practice known as farmer managed natural regeneration heralded as the corner stone of modern climate smart agriculture.

⁣Every Rain Drop Counts: Women champions in promoting rain water harvesting and sanitation in Uganda.

In arid Tete province of Mozambique, rural community-built sand dams store water for vegetable gardens that transform the lives of farm families.

Saturday, July 23rd 1960.

Footage of Patrice Lumumba, the Prime Minister of Congo-Kinshasa, arriving in London on a Saturday evening while en route to New York.

He was met on arrival by the British Minister of State for Foreign Affairs, John Profumo. He had a private talk with Profumo and other British officials.

Lumumba was interviewed in French by ITN correspondent John Connell.

Source: Getty Images.