The Conversation asked two experts to look at the data.
History suggests it would be a big mistake.
While US officials have consistently maintained that American military domination is essential, a resurgent Russia poses challenges.
The revised ban allows entry to citizens of Iraq, but continues to block citizens of six other Muslim majority nations.
The adoption of the African Charter on Democracy, Elections and Governance five years ago raised hopes for a new democratic Africa. But its ideals remain elusive for many parts of the continent.
Barack Obama's high standing in sub-Sahara Africa persisted despite grumbling that he never delivered American largess to the degree many initially expected.
There are fundamental differences between Libya and Turkey, when it comes to returning migrants.
Unfortunately potential solutions to Trump's ban are few. Refugee agencies cannot force the US to take refugees and so they will need to find sanctuary elsewhere.
Europe is also building walls.
A constitutional scholar considers the legal arguments that could undo Trump's executive order barring travel by residents of seven Muslim majority countries.
It is not just Trump and the US throwing up barriers to Africans. The European Union is moving fast to halt the arrival of refugees and migrants on its southern shores
Three key rulings by the UK Supreme Court and their legal implications.
To see why, one must only consider the core economic principle of supply and demand.
Smugglers who transport migrants and refugees into the EU are both heroes and villains.
Many migrants would have stopped before they reached Europe – if only there had been the opportunities.
To improve, African countries need to find a balance between political and economic matters. This is where leadership becomes particularly important. But this is currently lacking on the continent.
The world is steadily transitioning to a multipolar systemic balance of power. The UN Security Council needs to reflect and be a truer representative of the emerging voices of a contemporary “UN”.
Governments often have limited knowledge of chemical production as it is the preserve of the private sector. Often these facilities are not as well secured as government facilities.
The UK went into Libya with gusto – but ended up in a morass of mission creep and bad planning.
We're unlikely to see the Syrian leader face charges for crimes against humanity any time soon.